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针对MG - 2× 30 0型采煤机的牵引部安全阀、滚轮滑靴、牵引马达回液系统等部件在使用中存在的问题 ,提出了改进措施。
Aiming at the problems existing in the use of the safety valve, the roller shoe and the traction motor return system of MG - 2 × 30 0 shearer, the improvement measures are put forward.