 |
环空
| 防喷器
| 环空 | |
| avia. | air annulus |
| 防喷器 | |
| dril. | blow-out preventer; preventer |
| earth.sc. | blowout preventers; water propeller |
| mech. | blowout preventer |
| nautic. tech. | blow-off preventer; BOP |
| oil | blowout preventer |
| |||
| air annulus | |||
| annulus space | |||
| 环空: 737 phrases in 48 subjects |