[自] float switch
... float operated switch 浮子控制开关 float switch 浮动开关;浮控开关;浮球开关 float-controlled switch 浮子控制开关 ...
floating switch
... 浮接充电 floating charging 浮控开关 floating switch 浮扣阱 float trap ...
float operated switch ; float-controlled switch
HXF-E