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      "key": "bridge-pump-switch:2:front-pump-step-01",
      "code": "TASK-VIRTUAL-005",
      "number": 1,
      "stepCode": "front-pump-step-01",
      "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。",
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      "code": "TASK-VIRTUAL-005",
      "number": 2,
      "stepCode": "front-pump-step-02",
      "text": "第2步，断开架桥车取力器。将架桥车取力器断开。",
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      "code": "TASK-VIRTUAL-005",
      "number": 3,
      "stepCode": "front-pump-step-03",
      "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。",
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      "code": "TASK-VIRTUAL-005",
      "number": 4,
      "stepCode": "front-pump-step-04",
      "text": "第4步，重新接通取力器。将架桥车取力器重新接通。",
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      "code": "TASK-VIRTUAL-005",
      "number": 5,
      "stepCode": "front-pump-step-05",
      "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。",
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      "code": "TASK-VIRTUAL-006",
      "number": 1,
      "stepCode": "BRIDGE-STEP-1",
      "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。",
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      "code": "TASK-VIRTUAL-006",
      "number": 2,
      "stepCode": "BRIDGE-STEP-2",
      "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。",
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      "code": "TASK-VIRTUAL-006",
      "number": 3,
      "stepCode": "BRIDGE-STEP-3",
      "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。",
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      "code": "TASK-VIRTUAL-006",
      "number": 4,
      "stepCode": "BRIDGE-STEP-4",
      "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",
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      "code": "TASK-VIRTUAL-006",
      "number": 5,
      "stepCode": "BRIDGE-STEP-5",
      "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",
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      "code": "TASK-VIRTUAL-006",
      "number": 6,
      "stepCode": "BRIDGE-STEP-6",
      "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",
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      "code": "TASK-VIRTUAL-006",
      "number": 7,
      "stepCode": "BRIDGE-STEP-7",
      "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。",
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    {
      "key": "bridge-pump-replace:3:BRIDGE-STEP-1",
      "code": "TASK-VIRTUAL-007",
      "number": 1,
      "stepCode": "BRIDGE-STEP-1",
      "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,
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      "key": "bridge-pump-replace:3:BRIDGE-STEP-2",
      "code": "TASK-VIRTUAL-007",
      "number": 2,
      "stepCode": "BRIDGE-STEP-2",
      "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,
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      "code": "TASK-VIRTUAL-007",
      "number": 3,
      "stepCode": "BRIDGE-STEP-3",
      "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",
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      "code": "TASK-VIRTUAL-007",
      "number": 4,
      "stepCode": "BRIDGE-STEP-4",
      "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",
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      "code": "TASK-VIRTUAL-007",
      "number": 5,
      "stepCode": "BRIDGE-STEP-5",
      "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,
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      "code": "TASK-VIRTUAL-007",
      "number": 6,
      "stepCode": "BRIDGE-STEP-6",
      "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",
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      "code": "TASK-VIRTUAL-007",
      "number": 7,
      "stepCode": "BRIDGE-STEP-7",
      "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",
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      "key": "bridge-pump-replace:3:BRIDGE-STEP-8",
      "code": "TASK-VIRTUAL-007",
      "number": 8,
      "stepCode": "BRIDGE-STEP-8",
      "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",
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      "code": "TASK-VIRTUAL-007",
      "number": 9,
      "stepCode": "BRIDGE-STEP-9",
      "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",
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      "code": "TASK-VIRTUAL-007",
      "number": 10,
      "stepCode": "BRIDGE-STEP-10",
      "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",
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      "code": "TASK-VIRTUAL-007",
      "number": 11,
      "stepCode": "BRIDGE-STEP-11",
      "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,
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      "key": "bridge-balance-valve-swap:3:BRIDGE-STEP-1",
      "code": "TASK-VIRTUAL-008",
      "number": 1,
      "stepCode": "BRIDGE-STEP-1",
      "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,
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      "code": "TASK-VIRTUAL-008",
      "number": 2,
      "stepCode": "BRIDGE-STEP-2",
      "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",
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      "code": "TASK-VIRTUAL-008",
      "number": 3,
      "stepCode": "BRIDGE-STEP-3",
      "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,
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      "key": "bridge-balance-valve-swap:3:BRIDGE-STEP-4",
      "code": "TASK-VIRTUAL-008",
      "number": 4,
      "stepCode": "BRIDGE-STEP-4",
      "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,
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    {
      "key": "bridge-balance-valve-swap:3:BRIDGE-STEP-5",
      "code": "TASK-VIRTUAL-008",
      "number": 5,
      "stepCode": "BRIDGE-STEP-5",
      "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": 6.0,
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    {
      "key": "bridge-balance-valve-swap:3:BRIDGE-STEP-6",
      "code": "TASK-VIRTUAL-008",
      "number": 6,
      "stepCode": "BRIDGE-STEP-6",
      "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",
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      "audioSha256": "e3123023bf92ee63500d5f8b39f6711e953d56fdd2bd732f419348fc8b97f281",
      "reused": false
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      "key": "bridge-balance-valve-swap:3:BRIDGE-STEP-7",
      "code": "TASK-VIRTUAL-008",
      "number": 7,
      "stepCode": "BRIDGE-STEP-7",
      "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": 6.0,
      "sha256": "098359d57fcd11fb7fcaaeff0d237373462674b7fe6fafcce03bbf6f5cb1a722",
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      "audioSha256": "27f556b276bd0fff214421d5f4fbeaf4a997ed639b17f4a0cc95872edebcce65",
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      "key": "bridge-balance-valve-swap:3:BRIDGE-STEP-8",
      "code": "TASK-VIRTUAL-008",
      "number": 8,
      "stepCode": "BRIDGE-STEP-8",
      "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,
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    {
      "key": "bridge-balance-valve-swap:3:BRIDGE-STEP-9",
      "code": "TASK-VIRTUAL-008",
      "number": 9,
      "stepCode": "BRIDGE-STEP-9",
      "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": 6.0,
      "sha256": "eab74396df9583d53a0262ca9440d3469fbdd33b1278fa8cda2f5902b137e70e",
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      "audioSha256": "3173a6cbd597f668ef3ec9dff6577a50327a44b2a95c1ad649968cf6236c8b62",
      "reused": false
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      "key": "bridge-balance-valve-swap:3:BRIDGE-STEP-10",
      "code": "TASK-VIRTUAL-008",
      "number": 10,
      "stepCode": "BRIDGE-STEP-10",
      "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",
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      "audioSha256": "7baf9850efb63bf3a003f07fd6c292179d34580608e743c327a1e9faf0696a52",
      "reused": false
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      "code": "TASK-VIRTUAL-008",
      "number": 11,
      "stepCode": "BRIDGE-STEP-11",
      "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,
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      "audioSha256": "b4eaf33eee4046620aa2737a2d4bbfe8b5508b37e3fb657eb1963f6b3ac0a968",
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      "code": "TASK-VIRTUAL-008",
      "number": 12,
      "stepCode": "BRIDGE-STEP-12",
      "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,
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      "key": "bridge-balance-valve-swap:3:BRIDGE-STEP-13",
      "code": "TASK-VIRTUAL-008",
      "number": 13,
      "stepCode": "BRIDGE-STEP-13",
      "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": 6.0,
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      "key": "bridge-balance-valve-swap:3:BRIDGE-STEP-14",
      "code": "TASK-VIRTUAL-008",
      "number": 14,
      "stepCode": "BRIDGE-STEP-14",
      "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,
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      "code": "TASK-VIRTUAL-008",
      "number": 15,
      "stepCode": "BRIDGE-STEP-15",
      "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,
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      "code": "TASK-VIRTUAL-008",
      "number": 16,
      "stepCode": "BRIDGE-STEP-16",
      "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,
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}