 |
| |||
| 分离空气气体 | |||
|
split air : 21 phrases in 7 subjects |
| Electronics | 2 |
| Energy industry | 1 |
| Hydroelectric power stations | 1 |
| Mining | 1 |
| Rail transport | 1 |
| Refrigeration | 6 |
| Technology | 9 |
|
| |||
| 分离空气气体 | |||
|
split air : 21 phrases in 7 subjects |
| Electronics | 2 |
| Energy industry | 1 |
| Hydroelectric power stations | 1 |
| Mining | 1 |
| Rail transport | 1 |
| Refrigeration | 6 |
| Technology | 9 |