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| 计量泵; 定量泵 | |||
| volume pump: 23 phrases in 12 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Drilling | 1 |
| General | 1 |
| Mechanics | 2 |
| Metallurgy | 2 |
| Mining | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 1 |
| Shipbuilding | 3 |
| Technology | 8 |
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