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| 加工时间; 低定额; 纯工作时间 | |||
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net time : 18 phrases in 10 subjects |
| Computer networks | 1 |
| Drilling | 1 |
| International trade | 1 |
| Management | 2 |
| Metallurgy | 1 |
| Oil / petroleum | 4 |
| Project management | 1 |
| Rail transport | 1 |
| Sports | 1 |
| Technology | 5 |
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