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柱 塞 泵 : 118 phrases in 17 subjects |
Agriculture | 4 |
Architecture | 2 |
Automobiles | 19 |
Chemistry | 5 |
Compressors | 1 |
Drilling | 2 |
Electronics | 2 |
Engineering geology | 4 |
Hydroelectric power stations | 2 |
Metallurgy | 6 |
Nautical | 1 |
Oil / petroleum | 8 |
Rail transport | 1 |
Refrigeration | 1 |
Shipbuilding | 3 |
Space | 2 |
Technology | 55 |