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| 科长; 分部主任 | |||
| 节头 | |||
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section head : 15 phrases in 9 subjects |
| Automobiles | 3 |
| Bridge construction | 1 |
| Drilling | 1 |
| Oil / petroleum | 1 |
| Plastics | 1 |
| Rail transport | 1 |
| Refrigeration | 1 |
| Space | 2 |
| Technology | 4 |
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