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液 压阀 : 96 phrases in 20 subjects |
Air defense | 1 |
Automobiles | 15 |
Aviation | 5 |
Chemistry | 1 |
Electronics | 2 |
General | 2 |
Hydroelectric power stations | 2 |
Mechanics | 2 |
Metallurgy | 4 |
Mining | 3 |
Nautical | 3 |
Oil / petroleum | 7 |
Oil processing plants | 2 |
Plastics | 2 |
Rail transport | 1 |
Shipbuilding | 5 |
Space | 5 |
Steel production | 2 |
Technology | 30 |
Wind Energy | 2 |