测量生产工时，进行动作研究、工艺研究，分析产品的制造及装配工艺，对生产工艺进行持续改进；
Measure the working time, and continue improve the manufacture prcocess base on pro-cess anlysis; motion analysis.
测量生产工时，进行动作研究、工艺研究，分析产品的制造及装配工艺，对生产工艺进行持续改进；
Measure the working time, and continue improve the manufacture prcocess base on pro-cess anlysis; motion analysis.
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