The technology of average qualitative data is characteristic, if wear, intensity, hardness, heat preservation, adiabatic, wearability, bibulous rate, moisture content, hole is led,wait a moment.

• 一般质材料的技术特性，如耐久性、强度、硬度、保温、隔热、耐磨性、吸水率、含水率、孔隙率等等。