switching, not by contact-making (contactless)
接触式伏特计
contact-making voltmeter【电】
暂无补充释义。
相关词条
electric contact-making RELAY(S)
electric contact-making micrometer
contact-making surface
contact-making switch
contact-making meter【电】
contact-making voltmeter【电】
暂无补充释义。
switching, not by contact-making (contactless)
electric contact-making RELAY(S)
electric contact-making micrometer
contact-making surface
contact-making switch
contact-making meter【电】