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。
Draw the tester along the slot of the template so that the point
create a score on the floor surface.The result of the subfloor
hardness can be concluded by the depth of the marking and cracked
junction。
Tel:
Tel:
Tel:
Tel: