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| 气门调节 | |||
| valve adjusting: 37 phrases in 9 subjects |
| Automobiles | 4 |
| Chemistry | 1 |
| Electronics | 1 |
| Hydroelectric power stations | 2 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Rail transport | 4 |
| Shipbuilding | 10 |
| Technology | 13 |
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