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DC power supply cabinet: three-phase silicon-controlled rectifier (SCR), computer digital pulse triggers plate, flat-wave inductor, L, C filter, etc. 直流電源櫃：三相可控矽整流橋（SCR）、計算機數(shù)字脈沖觸發(fā)板、平波電感、L、C濾波器等組成。