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我矿所用的W1002型电动挖掘机的推压轴轴承瓦,过去经常发生非正常磨损的损坏,抢修起来比较费工费时,而且还迫使其它配套设备如运输机等也停止作业,降低了设备利用
The thrust bearing bushes of the W1002 type electric excavator used in our mine have often suffered from abnormal wear and tear in the past. It takes a lot of time and labor to repair and repair, and it also forces other supporting equipment such as transport machines to stop operations, which reduces equipment utilization.