The results indicated that the time of heat preservation had important influence upon the macrostructure, apparent porosity rate, volume weight, the pervasion rate, shrinkage rate and the compressive strength.

 
  • 研究结果表明,保温时间对孔结构、气孔率与容重、水渗透率、收缩率以及强度有着重要的影响。
今日热词
目录 附录 查词历史