劳动工时
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man hour of labour
工时
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It contributes to specialized Labour organization and can raise the operation proficiency and the availability of man-hour.
有利于专业化劳动组织，提高操作的熟练程度和工时利用率。
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Yet it may still not be good enough: the best mini-mill firms can make a ton of steel using less than one man-hour of labour.
ECONOMIST: In America��s fiery furnace
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