 |
| |||
| U 形弯管; U 形弯条，头，道 | |||
| U形弯管〔道〕; 反向〔回转,U形,180°〕弯头; 回转管 | |||
| U 形弯头 | |||
| 蛇形管弯头 | |||
| 回转180°弯头; 半环形弯头; U形弯头 | |||
| 回弯头; 回转弯头 | |||
| 180°弯头 | |||
| 180度弯头; 回管; 返向弯管; 反向弯头; 半环形管; U形管 | |||
| return bend: 24 phrases in 7 subjects |
| Architecture | 2 |
| Chemistry | 2 |
| Drilling | 2 |
| Electronics | 1 |
| Oil / petroleum | 4 |
| Rail transport | 1 |
| Technology | 12 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips