 |
| |||
| square section | |||
|
方截面 : 27 phrases in 14 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Bridge construction | 6 |
| Business | 1 |
| Chemistry | 1 |
| Electronics | 1 |
| General | 1 |
| Metallurgy | 1 |
| Polymers | 1 |
| Refrigeration | 1 |
| Securities | 1 |
| Space | 2 |
| Technology | 8 |
| Textile industry | 1 |
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