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| 工作过程; 操作过程 | |||
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working process : 20 phrases in 9 subjects |
| Aviation | 1 |
| Bridge construction | 1 |
| Business | 2 |
| Commerce | 1 |
| Economy | 1 |
| Management | 2 |
| Metallurgy | 7 |
| Space | 2 |
| Technology | 3 |
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