短語詞組短語ideal power source 理想電源ideal voltage source 理想電壓源;理想電圧源ideal electrical source 理想電源ideal heat source 理想熱源ideal voltage source branehs 理想電壓源支路ideal point source 理想點光源ideal current source 理想電流源;流源ideal l source 理想電源ideal pulse source 理想脈沖源 返回 ideal source