 |
| |||
| concentration line; concentric line; concentrical line | |||
| common wire | |||
| |||
| common normal | |||
| 公共线: 70 phrases in 13 subjects |
| Air defense | 1 |
| Automobiles | 11 |
| Aviation | 2 |
| Business | 1 |
| Electronics | 13 |
| Exhibitions | 1 |
| General | 1 |
| Information technology | 6 |
| Librarianship | 4 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Technology | 20 |
| Telecommunications | 8 |