Merge branch 'wjc' into dev--wxr

wxr

2022-12-09 eb558bff1083279d01d87e94820f97cc3f294d18

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