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| 检査阀 | |||
| 测试阀 | |||
| 检查阀; 试验阀; 末端试验阀 | |||
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test valve : 30 phrases in 11 subjects |
| Compressors | 1 |
| Electronics | 5 |
| General | 1 |
| Mechanics | 2 |
| Nautical | 1 |
| Navigation | 1 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Shipbuilding | 8 |
| Space | 1 |
| Technology | 8 |
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