短語詞組短語alternate -current selection [電]交流選擇alternate stray current 交流襍散電流excitation system with alternate -current exciter 交流勵磁機勵磁系統(tǒng)alternate current converter [電]交流變換器alternate current deposition 交流電沉積alternate current torque motor 交流力矩電機alternate current welder 交流電精密儀器接機;交流電熔接機alternate current generator 交流發(fā)電機alternate current dialing 交流撥號制 返回 alternate current