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| 阀活 塞: 79 phrases in 12 subjects |
| Agriculture | 1 |
| Automobiles | 10 |
| Aviation | 1 |
| Compressors | 4 |
| Construction | 1 |
| Drilling | 3 |
| Hydroelectric power stations | 1 |
| Metallurgy | 2 |
| Nautical | 1 |
| Oil / petroleum | 7 |
| Rail transport | 2 |
| Technology | 46 |
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