• 定量立井装载系统加装定重装装置煤矿亟待解决重要课题

    It is a critical task need to be solved urgently that the skip loading system for vertical shaft without measuring pocket should be equipped with quantitative loading unit.

    youdao

  • 定量立井装载系统加装定重装装置煤矿亟待解决重要课题

    It is a critical task need to be solved urgently that the skip loading system for vertical shaft without measuring pocket should be equipped with quantitative loading unit.

    youdao

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