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自建场 | |||
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自场 | |||
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自建场 霍尔发生器的 |
self field : 44 phrases in 11 subjects |
Chemistry | 3 |
Earth sciences | 7 |
Electric machinery | 4 |
Electronics | 11 |
Explosives and Explosive Ordnance Disposal | 1 |
Metallurgy | 6 |
Oil / petroleum | 1 |
Physics | 2 |
Polymers | 1 |
Space | 1 |
Technology | 7 |