Silicate cement: The silicate cement grog that is bases with siliceous calcium, add mill of right amount gesso and become.

 
  • 粉煤灰硅酸盐水泥: 由硅酸盐水泥熟料和粉煤灰,加适量石膏混合后磨细而成。
今日热词
目录 附录 查词历史