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| gate valve; mushroom valve; plate valve | |||
| flavour lock | |||
| paddle valve; slide valve | |||
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闸板阀 : 12 phrases in 7 subjects |
| Compressors | 1 |
| Drilling | 1 |
| Metallurgy | 3 |
| Nautical | 1 |
| Oil / petroleum | 4 |
| Rail transport | 1 |
| Technology | 1 |
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