 |
| |||
| positive-displacement | |||
| positive displacement | |||
| 正排量: 33 phrases in 10 subjects |
| Aviation | 2 |
| Compressors | 2 |
| Drilling | 1 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Engineering geology | 1 |
| Explosives and Explosive Ordnance Disposal | 2 |
| Refrigeration | 4 |
| Space | 1 |
| Technology | 18 |
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