自移机尾装置
Self-moving tail end device
以上为机器翻译结果，长、整句建议使用 人工翻译 。
针对马蒂尔自移机尾装置在井下使用中出现的一些问题，对其局部结构进行了改造，以适应井下作业的需要。
In view of the problems occurred during underground application of Mattill self-advancing tail device, some structures of it is improved in order to satisfy the requirements for underground operation.
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模块上移
模块下移
不移动