{
  "profile": {
    "avatarName": "教员1",
    "materialVersion": "v2",
    "providerAvatarId": "a1000000000000000000000000000005",
    "avatarManifestSha256": "8155a21af68b60ea024c7591c8ad454aa9884a2c7d22cb069c16bb192bc4e122",
    "renderer": "OpenGenerationWorker.capture",
    "width": 480,
    "height": 640,
    "fps": 25,
    "videoCodec": "h264",
    "audioCodec": "aac",
    "encoding": "libx264 veryfast crf20 yuv420p / aac 128k faststart",
    "audioSource": "existing step narration, unchanged"
  },
  "scripts": [
    {
      "id": "bridge-pump-switch",
      "version": "2",
      "code": "TASK-VIRTUAL-005",
      "title": "重型支援桥液压泵应急切换",
      "steps": [
        {
          "stepCode": "front-pump-step-01",
          "number": 1,
          "expectedTitle": "根据故障现象确定是哪一个液压泵发生故障",
          "expectedInstruction": "根据故障现象确定是哪一个液压泵发生故障（注:模型_1液压泵标记出来。例如显红色）",
          "text": "第1步，确定故障液压泵。根据故障现象确定发生故障的液压泵。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-switch/v2/instructor-1-v2/step-01-bd17dc16621458c4.mp4",
          "duration": 4.96,
          "sha256": "7db0b2653aa8719268764ff4fb4f1ede92c947b9f4603308ce2ad7d0903ac45c"
        },
        {
          "stepCode": "front-pump-step-02",
          "number": 2,
          "expectedTitle": "断开架桥车取力器",
          "expectedInstruction": "断开架桥车取力器。（注：显示模型2取力器和2取力器开关，摇动模型2取力器开关。特别说明这个这边是早上随手补的不准确，车外看就行，不要拉近）",
          "text": "第2步，断开架桥车取力器。将架桥车取力器断开。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-switch/v2/instructor-1-v2/step-02-f485ff03a609c910.mp4",
          "duration": 4.16,
          "sha256": "421922b32e5a9cb84c2fef6d1b026918044af2ce1ce0b725a89b60900d2052ef"
        },
        {
          "stepCode": "front-pump-step-03",
          "number": 3,
          "expectedTitle": "将架桥车备胎斜上方链接两个红色滤油器的球阀打开",
          "expectedInstruction": "将架桥车备胎斜上方链接两个红色滤油器的球阀打开。（注；把模型3球阀开关由垂直与官道方向旋转至平行于管道方向）",
          "text": "第3步，打开互救球阀。打开备胎上方两个红色滤油器之间的连通球阀，手柄由垂直管道转为平行管道。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-switch/v2/instructor-1-v2/step-03-81ea8dc0e23da76d.mp4",
          "duration": 8.36,
          "sha256": "4ff18d5fa228f6c040d39ec4f435fcac9eb9bfe768f108a27f57577ebcada362"
        },
        {
          "stepCode": "front-pump-step-04",
          "number": 4,
          "expectedTitle": "重新联通取力器",
          "expectedInstruction": "重新联通取力器（注：把步骤2的2取力器开关摇回去：还是不要拉近）",
          "text": "第4步，重新接通取力器。将架桥车取力器重新接通。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-switch/v2/instructor-1-v2/step-04-aa6bbd5769344dc0.mp4",
          "duration": 4.2,
          "sha256": "e841b61cf522ed5f1633b8569eba04bc17ee77d777f811ddbb2334abb856f2cb"
        },
        {
          "stepCode": "front-pump-step-05",
          "number": 5,
          "expectedTitle": "打开辅助控制盒内的“互救”开关",
          "expectedInstruction": "打开辅助控制盒内的“互救”开关（注：打开5辅助控制盒盖在5辅助控制盒面板上，把5互救开关往上搬）",
          "text": "第5步，打开辅助控制盒互救开关。打开辅助控制盒盖，再打开互救开关，进入单泵作业状态。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-switch/v2/instructor-1-v2/step-05-422f9e85bb468fd5.mp4",
          "duration": 6.8,
          "sha256": "6def38648367bbd7475e7bcba40d407d8530e9bbbdda128121c320ccd252275c"
        }
      ]
    },
    {
      "id": "bridge-pump-substitute",
      "version": "3",
      "code": "TASK-VIRTUAL-006",
      "title": "重型支援桥液压泵应急替代",
      "steps": [
        {
          "stepCode": "BRIDGE-STEP-1",
          "number": 1,
          "expectedTitle": "保持架桥车运行并断开取力器",
          "expectedInstruction": "保持架桥车发动机运转，确保架桥车取力器处于断开状态。",
          "text": "第1步，保持架桥车运行并断开取力器。保持架桥车发动机运转，确保架桥车取力器处于断开状态。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-substitute/v3/instructor-1-v2/step-01-053bd89d013ca8c2.mp4",
          "duration": 7.84,
          "sha256": "87b2c3c11e2170f6be3e11c35d353e19a9772101d881b06d827912a97623ca18"
        },
        {
          "stepCode": "BRIDGE-STEP-2",
          "number": 2,
          "expectedTitle": "连接两车液压软管",
          "expectedInstruction": "连接支援车与架桥车液压软管。架桥车快接接头位于液压油箱右侧；支援车快接接头位于驾驶室外右下方。",
          "text": "第2步，连接两车液压软管。连接支援车与架桥车液压软管。架桥车快接接头位于液压油箱右侧；支援车快接接头位于驾驶室外右下方。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-substitute/v3/instructor-1-v2/step-02-7e103c9898230504.mp4",
          "duration": 9.72,
          "sha256": "19ecd4d56bd96f6c513f43abc2f5baaf8d0f53dae3edfaceda51dc82a9014f05"
        },
        {
          "stepCode": "BRIDGE-STEP-3",
          "number": 3,
          "expectedTitle": "打开支援车回油截止阀",
          "expectedInstruction": "打开支援车液压油箱快接接头处的回油截止阀。",
          "text": "第3步，打开支援车回油截止阀。打开支援车液压油箱快接接头处的回油截止阀。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-substitute/v3/instructor-1-v2/step-03-d0d26b774e96a981.mp4",
          "duration": 5.76,
          "sha256": "216e6300b28fcf5b34bb9afe8bf1339870d2d31dc8d2780f66bd4a338622878c"
        },
        {
          "stepCode": "BRIDGE-STEP-4",
          "number": 4,
          "expectedTitle": "打开互救作业开关",
          "expectedInstruction": "打开辅助控制盒上的“互救作业”开关。",
          "text": "第4步，打开互救作业开关。打开辅助控制盒上的“互救作业”开关。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-substitute/v3/instructor-1-v2/step-04-a7cafe4130983380.mp4",
          "duration": 5.16,
          "sha256": "1c22bb9066f42642903038fd2c6272603a5e758d95edf5f7f2447c9be82eb8a1"
        },
        {
          "stepCode": "BRIDGE-STEP-5",
          "number": 5,
          "expectedTitle": "打开滤油器出口连通球阀",
          "expectedInstruction": "打开两个输油滤油器出口处的连通球阀。",
          "text": "第5步，打开滤油器出口连通球阀。打开两个输油滤油器出口处的连通球阀。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-substitute/v3/instructor-1-v2/step-05-ef62a148cdeb4c73.mp4",
          "duration": 5.96,
          "sha256": "6aa84f6c7ed9017ec1789b70357d4163364512951568a028658a76b2a4566a72"
        },
        {
          "stepCode": "BRIDGE-STEP-6",
          "number": 6,
          "expectedTitle": "接通支援车液压取力器",
          "expectedInstruction": "接通支援车液压系统取力器，向架桥车供油。",
          "text": "第6步，接通支援车液压取力器。接通支援车液压系统取力器，向架桥车供油。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-substitute/v3/instructor-1-v2/step-06-f4bb8c70dc263869.mp4",
          "duration": 6,
          "sha256": "b4f70d76acf8bfc50952c2d981f8910d0da865a32639bb972508409e19404b1f"
        },
        {
          "stepCode": "BRIDGE-STEP-7",
          "number": 7,
          "expectedTitle": "按正常步骤操作架桥车",
          "expectedInstruction": "原图只概括“按正常操作步骤操作架桥车”，没有展开后续作业。",
          "text": "第7步，按正常步骤操作架桥车。原图只概括“按正常操作步骤操作架桥车”，没有展开后续作业。该项为原稿概括项，本预演不代表后续正常作业已经完成。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-substitute/v3/instructor-1-v2/step-07-84f943a4e5a9bbc8.mp4",
          "duration": 10.88,
          "sha256": "27d1c3c9666a176028bad6892d318082b6a85ca729e36f7f4e8920738b3f95d1"
        }
      ]
    },
    {
      "id": "bridge-pump-replace",
      "version": "3",
      "code": "TASK-VIRTUAL-007",
      "title": "重型支援桥前泵换件修复",
      "steps": [
        {
          "stepCode": "BRIDGE-STEP-1",
          "number": 1,
          "expectedTitle": "停机并初裁牛皮纸",
          "expectedInstruction": "架桥车熄火；按液压泵与取力器结合面形状初步裁剪牛皮纸。",
          "text": "第1步，停机并初裁牛皮纸。架桥车熄火；按液压泵与取力器结合面形状初步裁剪牛皮纸。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-01-071874b4ec4b9e19.mp4",
          "duration": 6.64,
          "sha256": "cbaf3a71793502c3f08262bba414c78c1565ba68e32f0dd51b82efaf35070ca7"
        },
        {
          "stepCode": "BRIDGE-STEP-2",
          "number": 2,
          "expectedTitle": "关闭液压油箱出油口一号球阀",
          "expectedInstruction": "将一号球阀手柄从平行管道转到垂直管道。",
          "text": "第2步，关闭液压油箱出油口一号球阀。将一号球阀手柄从平行管道转到垂直管道。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-02-26d142b67538ea4d.mp4",
          "duration": 6.56,
          "sha256": "1f1b83d60763eb2d71fd06654c6ace25cb73bd69bd7f31a72f930bbd75f6f72b"
        },
        {
          "stepCode": "BRIDGE-STEP-3",
          "number": 3,
          "expectedTitle": "拆开并包扎进出油管",
          "expectedInstruction": "用大活动扳手拆开液压泵进、出油管接头，用塑料袋包扎管口。",
          "text": "第3步，拆开并包扎进出油管。用大活动扳手拆开液压泵进、出油管接头，用塑料袋包扎管口。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-03-9e2b426e945678f0.mp4",
          "duration": 7,
          "sha256": "2b81b7b187f3445c2c72b1135ccc6a82b131635ff1de9fd2c42da7b70ceb95ce"
        },
        {
          "stepCode": "BRIDGE-STEP-4",
          "number": 4,
          "expectedTitle": "拆下四个安装螺栓",
          "expectedInstruction": "用开口扳手拆下液压泵与取力器之间的四个安装螺栓。",
          "text": "第4步，拆下四个安装螺栓。用开口扳手拆下液压泵与取力器之间的四个安装螺栓。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-04-fe998d3697e1a463.mp4",
          "duration": 6.92,
          "sha256": "6f49c2a6cdf334ef439ca1dd5b31ea8c31a6b0c39e5820bd821fe6f001cb7a3e"
        },
        {
          "stepCode": "BRIDGE-STEP-5",
          "number": 5,
          "expectedTitle": "取下旧前泵",
          "expectedInstruction": "取下原前泵。",
          "text": "第5步，取下旧前泵。取下原前泵。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-05-e0348b0ea0055779.mp4",
          "duration": 3.08,
          "sha256": "4ed2cee9a68503af9951909cf0162c03e978ff9fc5665a918bb3e634952547e1"
        },
        {
          "stepCode": "BRIDGE-STEP-6",
          "number": 6,
          "expectedTitle": "修裁牛皮纸",
          "expectedInstruction": "进一步裁剪牛皮纸，使其与液压泵安装面及取力器结合面吻合。",
          "text": "第6步，修裁牛皮纸。进一步裁剪牛皮纸，使其与液压泵安装面及取力器结合面吻合。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-06-488750524bd2c0a8.mp4",
          "duration": 6.76,
          "sha256": "be089ff024fb7166a408613a5f0afc1a19b4a33672f8be5d07b4347824900e48"
        },
        {
          "stepCode": "BRIDGE-STEP-7",
          "number": 7,
          "expectedTitle": "放置牛皮纸垫",
          "expectedInstruction": "将裁好的牛皮纸放在取力器接口处。",
          "text": "第7步，放置牛皮纸垫。将裁好的牛皮纸放在取力器接口处。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-07-5dbddd64c54251a5.mp4",
          "duration": 5,
          "sha256": "513e55b9110879d17d7bf45cc726b6642646731a657c0a276cc3c749ca768637"
        },
        {
          "stepCode": "BRIDGE-STEP-8",
          "number": 8,
          "expectedTitle": "安装新液压泵",
          "expectedInstruction": "安装新的液压泵。原稿没有给出拧紧力矩。",
          "text": "第8步，安装新液压泵。安装新的液压泵。原稿没有给出拧紧力矩。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-08-5ca9062502638806.mp4",
          "duration": 4.84,
          "sha256": "bcd805461e072ce4ddad0ab0ba4dd6b442feed395bac3a16694224237a8ef550"
        },
        {
          "stepCode": "BRIDGE-STEP-9",
          "number": 9,
          "expectedTitle": "向新泵加注液压油",
          "expectedInstruction": "打开新液压泵加油口，加注液压油。原稿没有给出定量值。",
          "text": "第9步，向新泵加注液压油。打开新液压泵加油口，加注液压油。原稿没有给出定量值。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-09-e8782919d61b49b9.mp4",
          "duration": 6.84,
          "sha256": "946b6a086fc885b47a956717d378d7e8e061b7dde9e473478ebeb084dfb21d08"
        },
        {
          "stepCode": "BRIDGE-STEP-10",
          "number": 10,
          "expectedTitle": "恢复进出油管连接",
          "expectedInstruction": "用大活动扳手连接并拧紧液压泵进、出油管。",
          "text": "第10步，恢复进出油管连接。用大活动扳手连接并拧紧液压泵进、出油管。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-10-c14fe764c6a78575.mp4",
          "duration": 5.36,
          "sha256": "7f51d9ff1ce26c7a29ed6de1543a49883c0a46cad20e262c87aec79eb9a3afec"
        },
        {
          "stepCode": "BRIDGE-STEP-11",
          "number": 11,
          "expectedTitle": "启动设备试验",
          "expectedInstruction": "启动设备进行试验。原稿没有展开具体试验项目和判定数值。",
          "text": "第11步，启动设备试验。启动设备进行试验。原稿没有展开具体试验项目和判定数值。",
          "url": "/legacy/virtual-training/videos/narration/bridge-pump-replace/v3/instructor-1-v2/step-11-c06a4be476669d7f.mp4",
          "duration": 6.08,
          "sha256": "f48cc129f98b980130fc9616fdbfb5d8e9750c3c4fc687bb9da32ccf373158ef"
        }
      ]
    },
    {
      "id": "bridge-balance-valve-swap",
      "version": "3",
      "code": "TASK-VIRTUAL-008",
      "title": "重型支援桥平衡阀拆拼互换",
      "steps": [
        {
          "stepCode": "BRIDGE-STEP-1",
          "number": 1,
          "expectedTitle": "清洗小腔平衡阀",
          "expectedInstruction": "用清洗剂清洗平衡阀和管接头，并用抹布擦净。",
          "text": "第1步，清洗小腔平衡阀。用清洗剂清洗平衡阀和管接头，并用抹布擦净。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-01-8540f64d275cd500.mp4",
          "duration": 5.96,
          "sha256": "e9f87d4d2f08b827e66a769344493c8475ff51a974c37283b2bfb3edfcaf60d4"
        },
        {
          "stepCode": "BRIDGE-STEP-2",
          "number": 2,
          "expectedTitle": "拆开小腔控制油口管路",
          "expectedInstruction": "用19开口扳手拆开控制油口管路，用塑料袋包扎管口。",
          "text": "第2步，拆开小腔控制油口管路。用十九号开口扳手拆开控制油口管路，用塑料袋包扎管口。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-02-3ed7b91337a0c00e.mp4",
          "duration": 7.2,
          "sha256": "b8b4468ce061596ba616d6449c870627f5cc0d659786f0104a48406079990f4a"
        },
        {
          "stepCode": "BRIDGE-STEP-3",
          "number": 3,
          "expectedTitle": "拆下小腔平衡阀",
          "expectedInstruction": "用8内六角扳手拆下安装螺栓，取下平衡阀。",
          "text": "第3步，拆下小腔平衡阀。用八号内六角扳手拆下安装螺栓，取下平衡阀。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-03-8dba240adff9be00.mp4",
          "duration": 5.96,
          "sha256": "63b2c9dd87654c9795d81c4dfa8149512dc0980b63e07990c0d0af3ad4515dba"
        },
        {
          "stepCode": "BRIDGE-STEP-4",
          "number": 4,
          "expectedTitle": "封堵小腔油口",
          "expectedInstruction": "用两个油堵封住两个油口，擦净阀座结合面。",
          "text": "第4步，封堵小腔油口。用两个油堵封住两个油口，擦净阀座结合面。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-04-24da11990de8e484.mp4",
          "duration": 4.96,
          "sha256": "c70d5879a4261e52ff84dc70ad4916cf553136307819144c9f8dc42ac43eb023"
        },
        {
          "stepCode": "BRIDGE-STEP-5",
          "number": 5,
          "expectedTitle": "清洗大腔平衡阀",
          "expectedInstruction": "用清洗剂清洗平衡阀和管接头，并用抹布擦净。",
          "text": "第5步，清洗大腔平衡阀。用清洗剂清洗平衡阀和管接头，并用抹布擦净。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-05-714a15e72dfa2832.mp4",
          "duration": 6,
          "sha256": "16cbea74ac0717dc600522796538740113c6c7018ff2ba7c341c2c90607e9a8b"
        },
        {
          "stepCode": "BRIDGE-STEP-6",
          "number": 6,
          "expectedTitle": "拆开大腔控制油口管路",
          "expectedInstruction": "用19开口扳手拆开控制油口管路，用塑料袋包扎管口。",
          "text": "第6步，拆开大腔控制油口管路。用十九号开口扳手拆开控制油口管路，用塑料袋包扎管口。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-06-5478cc2211086156.mp4",
          "duration": 7.32,
          "sha256": "3064f526e6a887cd892628420b0860240044f5bff9ab6b1431ab289f78d30fc2"
        },
        {
          "stepCode": "BRIDGE-STEP-7",
          "number": 7,
          "expectedTitle": "拆下大腔平衡阀",
          "expectedInstruction": "用8内六角扳手拆下安装螺栓，取下平衡阀。",
          "text": "第7步，拆下大腔平衡阀。用八号内六角扳手拆下安装螺栓，取下平衡阀。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-07-98bf30b8947911aa.mp4",
          "duration": 6,
          "sha256": "098359d57fcd11fb7fcaaeff0d237373462674b7fe6fafcce03bbf6f5cb1a722"
        },
        {
          "stepCode": "BRIDGE-STEP-8",
          "number": 8,
          "expectedTitle": "封堵大腔油口",
          "expectedInstruction": "用两个油堵封住两个油口，擦净阀座结合面。",
          "text": "第8步，封堵大腔油口。用两个油堵封住两个油口，擦净阀座结合面。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-08-2101b2ebb4bf1783.mp4",
          "duration": 5.4,
          "sha256": "93c9f6c1ce727c7363b04b7f2ff359cb2b9509363ef597a1f20c30e5bac371d0"
        },
        {
          "stepCode": "BRIDGE-STEP-9",
          "number": 9,
          "expectedTitle": "准备安装大腔平衡阀",
          "expectedInstruction": "擦净平衡阀及阀座结合面，取下两个油堵。",
          "text": "第9步，准备安装大腔平衡阀。擦净平衡阀及阀座结合面，取下两个油堵。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-09-74cedc700826b5d5.mp4",
          "duration": 6,
          "sha256": "eab74396df9583d53a0262ca9440d3469fbdd33b1278fa8cda2f5902b137e70e"
        },
        {
          "stepCode": "BRIDGE-STEP-10",
          "number": 10,
          "expectedTitle": "安装大腔平衡阀",
          "expectedInstruction": "将平衡阀放置于阀座上，用8内六角扳手安装四个安装螺栓。",
          "text": "第10步，安装大腔平衡阀。将平衡阀放置于阀座上，用八号内六角扳手安装四个安装螺栓。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-10-32f16dc6b235d2d6.mp4",
          "duration": 7.36,
          "sha256": "e600a45218921a3e06a3af53b6575858e641c294ac3913a9ffb4e68d0a4d2d5a"
        },
        {
          "stepCode": "BRIDGE-STEP-11",
          "number": 11,
          "expectedTitle": "核对大腔控制油口管路连接",
          "expectedInstruction": "原稿先写“拆下包扎袋，连接并拧紧管路”，随后又出现“用19开口扳手拆开管路并包扎”的相反描述。",
          "text": "第11步，核对大腔控制油口管路连接。原稿先写“拆下包扎袋，连接并拧紧管路”，随后又出现“用十九号开口扳手拆开管路并包扎”的相反描述。请记录采用的处理方式及依据，随训练记录提交教员核对；系统不自动判定该项操作正确。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-11-41511d4a555dca5e.mp4",
          "duration": 16.12,
          "sha256": "879d72ebcbe9fdbb2c070add12cef9e837fe147e12de56a4d602a4fac78515c1"
        },
        {
          "stepCode": "BRIDGE-STEP-12",
          "number": 12,
          "expectedTitle": "紧固大腔阀体连接螺栓",
          "expectedInstruction": "用内六角扳手拧紧四个阀体连接螺栓。",
          "text": "第12步，紧固大腔阀体连接螺栓。用内六角扳手拧紧四个阀体连接螺栓。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-12-81396098754fccab.mp4",
          "duration": 5.44,
          "sha256": "355bf751999942f0e330115315ae31019b56a8263c237f041f7e54c5c4b1b81d"
        },
        {
          "stepCode": "BRIDGE-STEP-13",
          "number": 13,
          "expectedTitle": "准备安装小腔平衡阀",
          "expectedInstruction": "擦净平衡阀及阀座结合面，取下两个油堵。",
          "text": "第13步，准备安装小腔平衡阀。擦净平衡阀及阀座结合面，取下两个油堵。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-13-672e69748f537f2f.mp4",
          "duration": 6,
          "sha256": "0023ab39f3a28981c8819d1f6492c486f64cab9c850bf510749fef58adb7bd2f"
        },
        {
          "stepCode": "BRIDGE-STEP-14",
          "number": 14,
          "expectedTitle": "安装小腔平衡阀",
          "expectedInstruction": "将平衡阀放置于阀座上，用8内六角扳手安装四个安装螺栓。",
          "text": "第14步，安装小腔平衡阀。将平衡阀放置于阀座上，用八号内六角扳手安装四个安装螺栓。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-14-0eaebfde856428f8.mp4",
          "duration": 7.76,
          "sha256": "14ea83fb883f2657d38a3851ebbfd608bc975027c8ba9ebc54883a2543f3bbb8"
        },
        {
          "stepCode": "BRIDGE-STEP-15",
          "number": 15,
          "expectedTitle": "核对小腔控制油口管路连接",
          "expectedInstruction": "原稿先写“拆下包扎袋，连接并拧紧管路”，随后又出现“用19开口扳手拆开管路并包扎”的相反描述。",
          "text": "第15步，核对小腔控制油口管路连接。原稿先写“拆下包扎袋，连接并拧紧管路”，随后又出现“用十九号开口扳手拆开管路并包扎”的相反描述。请记录采用的处理方式及依据，随训练记录提交教员核对；系统不自动判定该项操作正确。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-15-31ab069954b685be.mp4",
          "duration": 16.24,
          "sha256": "790d9617261add255912538c8dfff81a3ddc3acd5a8aff3d6efb6ac9931803ac"
        },
        {
          "stepCode": "BRIDGE-STEP-16",
          "number": 16,
          "expectedTitle": "紧固小腔阀体连接螺栓",
          "expectedInstruction": "用内六角扳手拧紧四个阀体连接螺栓。",
          "text": "第16步，紧固小腔阀体连接螺栓。用内六角扳手拧紧四个阀体连接螺栓。",
          "url": "/legacy/virtual-training/videos/narration/bridge-balance-valve-swap/v3/instructor-1-v2/step-16-ab6b316a229cd837.mp4",
          "duration": 5.64,
          "sha256": "ea676012e2a34aa57bcbc616042d71f9bd4e56e7d29cc4958cd2e973de72ff30"
        }
      ]
    }
  ]
}