 |
| |||
| 石棉管 | |||
|
asbestos pipe : 31 phrases in 4 subjects |
| Architecture | 4 |
| Hydroelectric power stations | 3 |
| Oil / petroleum | 1 |
| Technology | 23 |
|
| |||
| 石棉管 | |||
|
asbestos pipe : 31 phrases in 4 subjects |
| Architecture | 4 |
| Hydroelectric power stations | 3 |
| Oil / petroleum | 1 |
| Technology | 23 |