| |||
siphon; waterlock | |||
stench trap | |||
trap; U-trap; water sealed joint | |||
drain trap | |||
disconnecting trap; drain trap (管); drawing trap; running trap; stink trap; S-trap; U-trap (头); water trap; well trap; trap weir | |||
| |||
trap | |||
| |||
stench trap |
存水弯 : 140 phrases in 9 subjects |
Architecture | 11 |
Ecology | 2 |
Engineering geology | 2 |
General | 2 |
Metallurgy | 1 |
Nuclear and fusion power | 1 |
Rail transport | 1 |
Refrigeration | 1 |
Technology | 119 |