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泄放阀 : 79 phrases in 17 subjects |
Architecture | 2 |
Automobiles | 7 |
Aviation | 5 |
Compressors | 7 |
Construction | 1 |
Drilling | 3 |
Electronics | 1 |
General | 1 |
Hydroelectric power stations | 3 |
Mechanic engineering | 1 |
Metallurgy | 5 |
Oil / petroleum | 6 |
Oil processing plants | 1 |
Plastics | 2 |
Rail transport | 2 |
Space | 2 |
Technology | 30 |