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不同的工艺方案取得的经济效益和消耗的劳动时间不同。
Different process scheme of the economic benefit and consumption has different time of labor.
youdao
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不同的工艺方案取得的经济效益和消耗的劳动时间不同。
Different process scheme of the economic benefit and consumption has different time of labor.
youdao