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| 配气机构气门冷却 | |||
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valve cooling : 20 phrases in 8 subjects |
| Automobiles | 3 |
| Aviation | 7 |
| Electronics | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 1 |
| Nautical | 1 |
| Shipbuilding | 2 |
| Technology | 3 |
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