基本解释[動力與電氣工程]額定觸點電壓[經濟學]額定觸點電壓英汉例句雙語例句Auxiliary contactors Contact rated voltage of 380V AC, DC to 220V.接觸器輔助觸頭額定電壓爲交流380V，直流爲220V。weihe-ele.comrated contact voltage更多例句专业释义動力與電氣工程額定觸點電壓經濟學額定觸點電壓