 |
| |||
| 集输管线 | |||
| field mains: 23 phrases in 8 subjects |
| Agriculture | 3 |
| Aviation | 2 |
| Electric machinery | 7 |
| Electronics | 2 |
| Furniture | 1 |
| Oil / petroleum | 1 |
| Technology | 6 |
| United Nations | 1 |
|
| |||
| 集输管线 | |||
| field mains: 23 phrases in 8 subjects |
| Agriculture | 3 |
| Aviation | 2 |
| Electric machinery | 7 |
| Electronics | 2 |
| Furniture | 1 |
| Oil / petroleum | 1 |
| Technology | 6 |
| United Nations | 1 |