短語詞組短語current fund source 流動基金來源direct current power source 直流電源direct current arc source 直流電弧光源intense current ion source 強流離子源alternating current arc source 交流電弧光源strong current power source 大電流電源magnetic current line source 磁流線源current t source 電流源;電鏈 返回 current source