在使用抱闸扳手时，必须有一人控制抱闸扳手，而另一人转动盘车手轮。
To operate the equipment, it is essential for one person to control the releasing of the brake, whilst another operates the winding crank.
分析大倾角电牵引采煤机液压制动器频繁抱闸的原因，提出的解决方案实用效果良好。
This paper analyses the reasons of frequent abnormal braking on shearer and gives ideas for solving problem which has well effect in practice.
利用电磁电路设计的抱闸装置，解决了回转臂系统刹车后，滑动小于某一小角度这一技术难题。
The technical problem-that the gliding rotary arm after braking is smaller than a small angle-is solved through internal contracting brake device designed by using electromagnetic circuit.
总结了货物列车运行中车辆抱闸故障情况，从中找出故障原因，并针对这些问题提出相应的解决措施。
This paper summarized the malfunction about freight car brake seizure in the running of the train, also found the reasons resulting in it, and put forward corresponding countermeasures.
总结了货物列车运行中车辆抱闸故障情况，从中找出故障原因，并针对这些问题提出相应的解决措施。
This paper summarized the malfunction about freight car brake seizure in the running of the train, also found the reasons resulting in it, and put forward corresponding countermeasures.
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