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| cylindrical valve | |||
| cylindric valve; pillar valve; spool valve | |||
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柱形阀 : 13 phrases in 6 subjects |
| Automobiles | 1 |
| Drilling | 1 |
| Mechanics | 1 |
| Oil / petroleum | 2 |
| Rail transport | 2 |
| Technology | 6 |
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