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| Y-globe valve; angle scat valve | |||
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形 球 阀 : 62 phrases in 12 subjects |
| Architecture | 1 |
| Chemistry | 1 |
| Drilling | 9 |
| Engineering geology | 1 |
| Hydroelectric power stations | 3 |
| Mechanic engineering | 1 |
| Oil / petroleum | 7 |
| Rail transport | 1 |
| Refrigeration | 1 |
| Shipbuilding | 2 |
| Space | 4 |
| Technology | 31 |
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