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| quick-closing valve | |||
| main stop valve | |||
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速 关阀 : 15 phrases in 12 subjects |
| Agriculture | 2 |
| Automobiles | 1 |
| Drilling | 1 |
| General | 2 |
| Mechanic engineering | 1 |
| Nautical | 1 |
| Navigation | 1 |
| Oil / petroleum | 1 |
| Oil processing plants | 1 |
| Refrigeration | 1 |
| Shipbuilding | 1 |
| Technology | 2 |
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