 |
| |||
| V-drain; vee drain | |||
| |||
| L-drain | |||
| |||
| V-drain | |||
| |||
| U-drain | |||
|
形排水沟 : 15 phrases in 5 subjects |
| Bridge construction | 1 |
| Ecology | 1 |
| Engineering geology | 2 |
| Hydroelectric power stations | 2 |
| Technology | 9 |
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