oxygen injection
| aeration
| oxygen injection | |
| met. | 吹氧 |
| aeration | |
| desert. од. | 松砂 |
| dril. | 充气 |
| environ. | 通风 |
| forestr. | 通风 |
| hydroel.st. | 通气 |
| hydroel.st. од. | 曝气; 掺气 |
| met. | 充气; 透气 |
| water.suppl. | 增氧 |
| |||
| 吹氧 | |||
|
oxygen injection : 23 phrases in 2 subjects |
| Fishery fishing industry | 1 |
| Metallurgy | 22 |