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energy director | |||
amplitude transformer | |||
energy concentrator | |||
concentrator |
聚能器 : 36 phrases in 11 subjects |
Chemistry | 1 |
Drilling | 2 |
Electric machinery | 1 |
Electronics | 4 |
Explosives and Explosive Ordnance Disposal | 4 |
General | 1 |
Geophysics | 1 |
Oil / petroleum | 8 |
Plastics | 2 |
Space | 4 |
Technology | 8 |