紧急求助按钮修复

wxr

2022-08-03 598329348fef499fb9fccbef75a0bb3d53bd50b0

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using System; 
namespace HDL_ON.Entity 
{ 
    public class AirCleaner  
    { 
        public AirCleaner() 
        { 
        } 
    } 
}