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| 装卸工时定额计算单位为工时/吨 | |||
| 人工时定额 | |||
| 装卸工时定额 | |||
| 工时定额 | |||
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| 装卸工时; 工班定额 | |||
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man hour quota : 1 phrase in 1 subject |
| Technology | 1 |
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