 |
| |||
| air-flow control | |||
| 气流 量 调节: 16 phrases in 8 subjects |
| Automobiles | 3 |
| Aviation | 3 |
| Drilling | 1 |
| Metallurgy | 4 |
| Refrigeration | 2 |
| Space | 1 |
| Submarines | 1 |
| Textile industry | 1 |
|
| |||
| air-flow control | |||
| 气流 量 调节: 16 phrases in 8 subjects |
| Automobiles | 3 |
| Aviation | 3 |
| Drilling | 1 |
| Metallurgy | 4 |
| Refrigeration | 2 |
| Space | 1 |
| Submarines | 1 |
| Textile industry | 1 |