 |
| |||
| обратный откидной клапан (in plumbing, a trap fitted with a hinged flap that permits flow in one direction only, thus preventing backflow Lena Nolte) | |||
| flap trap: 1 phrase in 1 subject |
| Slang | 1 |
|
| |||
| обратный откидной клапан (in plumbing, a trap fitted with a hinged flap that permits flow in one direction only, thus preventing backflow Lena Nolte) | |||
| flap trap: 1 phrase in 1 subject |
| Slang | 1 |