 |
| |||
| 波纹管涵 | |||
| 波纹铁皮涵洞; 波纹铁管涵 (洞); 波纹管涵 (洞); 铁波纹管涵洞 | |||
| corrugated culvert: 7 phrases in 3 subjects |
| Bridge construction | 2 |
| Hydroelectric power stations | 1 |
| Technology | 4 |
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