The hardness and abrasive property of the surface, and the anti-shrink efficiency of the treated wood samples, were all improved.
试件的表面硬度、 耐磨性和尺寸稳定性均有不同程度的提高。
2
The low temperature mechanism indicates the capability of low temperature anti-cracking of polyester fiber is the main factor affecting temperature shrink crack.
其低温开裂机理表明聚酯纤维低温抗裂性是影响沥青路面温度收缩裂缝的主要因素。
3
The regular pattern of anti pressure has been found in theory by computer simulation, and offered scientific accordance for shrink ratio experiment of window.