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汞弧 | |||
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汞弧 |
mercury -arc: 54 phrases in 13 subjects |
Agriculture | 1 |
Air defense | 1 |
Architecture | 1 |
Electric traction | 1 |
Electricity | 1 |
Electronics | 11 |
Engineering geology | 1 |
Geophysics | 1 |
Metallurgy | 8 |
Oil / petroleum | 1 |
Shipbuilding | 2 |
Space | 1 |
Technology | 24 |