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| 桥楼系统 | |||
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bridge system : 40 phrases in 13 subjects |
| Air defense | 1 |
| Animal husbandry | 1 |
| Bridge construction | 6 |
| Business | 1 |
| Communications | 1 |
| Drilling | 1 |
| Electric machinery | 1 |
| Electronics | 3 |
| Nautical | 4 |
| Project management | 1 |
| Rail transport | 1 |
| Technology | 18 |
| Telecommunications | 1 |
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