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  1. {
  2. "key": "TASK-VIRTUAL-005-intro-00",
  3. "code": "TASK-VIRTUAL-005",
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  8. "title": "项目背景 · 液压泵应急切换",
  9. "body": "重型支援桥在将移动架推出至中间位置时,突遇山体滑坡,巨石滚落,飞入底盘车两副车架内,产生巨大撞击声,操作手随即停车检查,发现前泵被飞入巨石击中,导致泵体变形。而后桥梁分队分队长指挥操作手试车检查,驾驶员在接通取力器后,操作手按照规定程序试车,此时托架和架设架所有执行机构不动作,随即向分队长报告。而后分队长指挥操作手对装备进行动作检查,操作手在托架和架设架均不动作的状态下,手动将托架马达换向联手柄搬至“向前”位置,同时,分队长观察前泵出口处(托架多路换向阀M口)压力表,此时压力表显示0MPa。由此分队长判断前泵损坏。",
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  11. "text": "重型支援桥在将移动架推出至中间位置时,突遇山体滑坡,巨石滚落,飞入底盘车两副车架内,产生巨大撞击声,操作手随即停车检查,发现前泵被飞入巨石击中,导致泵体变形。而后桥梁分队分队长指挥操作手试车检查,驾驶员在接通取力器后,操作手按照规定程序试车,此时托架和架设架所有执行机构不动作,随即向分队长报告。而后分队长指挥操作手对装备进行动作检查,操作手在托架和架设架均不动作的状态下,手动将托架马达换向联手柄搬至向前位置,同时,分队长观察前泵出口处(托架多路换向阀M口)压力表,此时压力表显示零兆帕。由此分队长判断前泵损坏。",
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