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压力表管 : 27 phrases in 13 subjects |
Automobiles | 2 |
Aviation | 1 |
Chemistry | 1 |
Compressors | 1 |
Drilling | 1 |
Electronics | 1 |
Hydroelectric power stations | 2 |
Hydrology | 1 |
Oil / petroleum | 2 |
Rail transport | 1 |
Refrigeration | 2 |
Space | 2 |
Technology | 10 |