oxygen transfer
| efficiency
| oxygen transfer | |
| biotechn. | 输氧 |
| ecol. | 氧传递; 氧转移 |
| efficiency | |
| adv. | 广告效果 |
| agric. | 效能 |
| auto. | 效率; 功 效; 功 率 |
| hydroel.st. | 效能 |
| interntl.trade. од. | 有效性 |
| math. | 有效性，效益 |
| met. | 效果 |
| radio.amat. од. | 效率 |
| |||
| 输氧 | |||
| 氧传递; 氧转移 | |||
| 氧传输 | |||
|
oxygen transfer : 34 phrases in 8 subjects |
| Agriculture | 2 |
| Chemistry | 8 |
| Earth sciences | 5 |
| Fish farming pisciculture | 2 |
| General | 1 |
| Metallurgy | 2 |
| Technology | 10 |
| Water resources | 4 |