片语
Electric control switch电控转换开关
electric brake[机] 电力制动器;电闸
electromechanical brake电闸;[机] 机电制动器
electric c switch board电键板
Electric Tools Switch电动工具开关
electric rotating switch电气回转开关
electric simulation switch oil电键油
electric diis switch电动拨号开闭
electric diaphragm switch电子薄膜开关
Electric Shock Switch触电开关
electric simulation switch heater道岔电热器