There are many times of replacement of lifting ropes during the shaft service life?
运行矿井提升绳的更换，在矿井运行服务年限中是有相当次数的。
Regularly check the wear of pipe shaft sleeve , wear in time after a larger replacement.
定期检查管道泵轴套的磨损情况，磨损较大后应及时更换。
Regularly check the wear of pipe shaft sleeve , wear in time after a larger replacement.
定期检查管道泵轴套的磨损情况，磨损较大后应及时更换。
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