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| 工作操作; 工序 | |||
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work operation : 17 phrases in 10 subjects |
| Automobiles | 2 |
| Bridge construction | 1 |
| Commerce | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Hydroelectric power stations | 1 |
| Management | 3 |
| Steel production | 1 |
| Technology | 5 |
| Textile industry | 1 |
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