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空调阀 : 42 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 14 |
| Aviation | 3 |
| Chemistry | 2 |
| Electronics | 1 |
| Metallurgy | 2 |
| Rail transport | 3 |
| Refrigeration | 1 |
| Shipbuilding | 9 |
| Technology | 6 |
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