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| 生产日数; 运转日数; 生产日数《管理》 | |||
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| 连续工作日 | |||
| 开工日 | |||
| 连续开工日 | |||
| stream days: 12 phrases in 7 subjects |
| Animal husbandry | 1 |
| Business | 3 |
| Earth sciences | 1 |
| General | 2 |
| Oil / petroleum | 3 |
| Oil processing plants | 1 |
| Technology | 1 |
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