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| 构造设计; 机械设定 | |||
| 机械设计 | |||
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mechanical design : 13 phrases in 7 subjects |
| Aviation | 1 |
| Electronics | 3 |
| General | 1 |
| Mechanics | 1 |
| Shipbuilding | 4 |
| Space | 2 |
| Wind Energy | 1 |
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