Merge remote-tracking branch 'origin/wjc' into Dev-Branch

wxr

2022-06-10 cf145d2d389c9d45ec0fd8bfa853d3481c29910e

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