stage compression
| efficiency
| stage compression | |
| oil | 多级压缩 |
| 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 |
| |||
| 多级压缩 | |||
| 分级压缩 | |||
|
stage compression : 32 phrases in 9 subjects |
| Compressors | 2 |
| Engineering geology | 1 |
| Food industry | 2 |
| Geotechnics | 1 |
| Nautical | 2 |
| Oil / petroleum | 3 |
| Refrigeration | 10 |
| Technology | 10 |
| Water resources | 1 |