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| 机械泵: 33 phrases in 10 subjects |
| Automobiles | 4 |
| Aviation | 2 |
| Chemistry | 1 |
| Electronics | 4 |
| Hydroelectric power stations | 1 |
| Mechanics | 2 |
| Metallurgy | 6 |
| Refrigeration | 1 |
| Shipbuilding | 1 |
| Technology | 11 |
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