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简易硬度仪 Subfloorhardnesstester通线器沿40--60度角在硬度测量模板的水平线上划过，地表的硬度可以通过划痕深浅及交叉点破损情况判定。Drawthetesteralongtheslotofthetemplesothatthepointcreateascoreonthefloorsurface.Theresultofthesubfloorhardnesscanbeconcludedbythedepthofthemarkingandcrackedjunction.