White pilot light mounted on inner door. Float switch by others.
在内层门上安装白色指示灯. 浮动开关另行采购.
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Door mounted pushbutton to simulate float switch operation.
在门上安装按钮,模仿浮动开关操作.
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The use of single probe or float switch type sensor systems shall not be acceptable.
只采用单个探头或浮控开关的感应系统是不能接受的.
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