The use of single probe or float switch type sensor systems shall not be acceptable.
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。
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。