 |
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| 阀门瓣，片 | |||
| 阀瓣 | |||
| 阀舌; 阀盘 | |||
| English thesaurus | |||
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| valve flapper (ssn) | |||
| valve flap: 35 phrases in 12 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Aviation | 2 |
| Chemistry | 1 |
| Compressors | 5 |
| Ecology | 2 |
| Engineering geology | 2 |
| General | 1 |
| Hydroelectric power stations | 2 |
| Nautical | 1 |
| Technology | 16 |
| Water resources | 1 |