![]() |
| |||
bottom gate | |||
bottom valve; foot valve/bottom valve | |||
dump valve | |||
outer gate | |||
foot valve | |||
| |||
base valve |
底阀 : 61 phrases in 9 subjects |
Automobiles | 4 |
Aviation | 1 |
Chemistry | 3 |
Ecology | 1 |
Mechanics | 1 |
Nautical | 7 |
Navigation | 1 |
Oil / petroleum | 4 |
Technology | 39 |