 |
| |||
| circular valve | |||
| drum gate (门); round valve (门) | |||
|
圆 阀 : 48 phrases in 12 subjects |
| Automobiles | 5 |
| Aviation | 1 |
| Compressors | 3 |
| Electronics | 4 |
| Engineering geology | 1 |
| Exhibitions | 1 |
| Hydroelectric power stations | 3 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Refrigeration | 6 |
| Technology | 19 |
| Water resources | 3 |
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