polytropic compression
| process
| polytropic compression | |
| compr. | 多变压缩 |
| oil | 多变压缩 |
| process | |
| gen. | 过 程; 工 序; 工艺; 方 法 |
| archit. | 流程; 工艺规程 |
| hydroel.st. | 程序 |
| hydroel.st. од. | 过程; 进程; 步骤 |
| |||
| 多变压缩过程 | |||
| 多变压缩 | |||
| 多向压缩 | |||
|
polytropic compression : 6 phrases in 4 subjects |
| Aviation | 2 |
| Compressors | 1 |
| Rail transport | 1 |
| Technology | 2 |