labor organization optimization
...劳动组织优化;双循环作业法;特殊工种循环作业 [gap=793]Keywords:speedy drivage of rock drift; labor organization optimization; two-cyclemethod; special types of charts of circularwork ..
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labor organization optimization
劳动组织优化
以上为机器翻译结果，长、整句建议使用 人工翻译 。