By researching of frost resistance,resistance chloride ion permeability of concrete admixing activated wet fly ash,results show that durability of concrete is good.

 
  • 通过研究掺活化湿排粉煤灰的混凝土的抗冻性能、收缩性能、抗氯离子渗透性能,发现其耐久性能良好。
今日热词
目录 附录 查词历史