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加 压管 : 37 phrases in 15 subjects |
Agriculture | 1 |
Architecture | 1 |
Aviation | 4 |
Chemistry | 1 |
Consulting | 1 |
Drilling | 1 |
Electronics | 1 |
General | 5 |
Hydroelectric power stations | 3 |
Nuclear physics | 2 |
Oil / petroleum | 4 |
Pharmacology | 1 |
Space | 2 |
Sports | 2 |
Technology | 8 |