relay starting switch

继电器起动开关,relay... ... ) switch-starter 开关起动器 ) relay starting switch 继电器起动开关 ) relay1 switch 继电器开关 ...

机械英汉词典（R）-机械资讯-马棚网 ... relay setting 继电器整定值 relay starting switch 继电器启动开关 relay valve 继动阀 ...