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multiplier tube |
倍增管 : 102 phrases in 12 subjects |
Air defense | 4 |
Construction | 1 |
Electronics | 20 |
General | 10 |
Geophysics | 1 |
Information technology | 2 |
Metallurgy | 3 |
Nuclear physics | 2 |
Oil / petroleum | 3 |
Radio | 2 |
Space | 7 |
Technology | 47 |