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压力泵: 82 phrases in 16 subjects |
Automobiles | 14 |
Aviation | 1 |
Drilling | 2 |
Electronics | 1 |
Engineering geology | 1 |
Hydroelectric power stations | 2 |
Metallurgy | 2 |
Mining | 5 |
Nautical | 2 |
Oil / petroleum | 1 |
Plastics | 1 |
Refrigeration | 2 |
Space | 2 |
Technology | 44 |
Tools | 1 |
Water resources | 1 |