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装配轴 : 32 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 3 |
| Compressors | 3 |
| Computer numerical control | 1 |
| Electric machinery | 13 |
| Metallurgy | 2 |
| Shipbuilding | 2 |
| Steel production | 1 |
| Technology | 5 |
| Wind Energy | 1 |
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