楔形闸 | |
met. | key-operated brake; wedge brake |
阀 | |
compr. | valve |
dril. | cock; fastener; threshold |
hydroel.st. | stopper |
mech. | breather |
space | valve |
| |||
key-operated brake; wedge brake |
楔形闸 : 15 phrases in 6 subjects |
Architecture | 1 |
Hydroelectric power stations | 1 |
Oil / petroleum | 1 |
Shipbuilding | 4 |
Space | 1 |
Technology | 7 |