Autoclaved aeratedconcrete (AAC) is a new building material with great developing space, and AACload bearing block structural system is hopeful in multistory building.

 
  • 蒸压加气混凝土不以粘土为原料,是一种很有发展前途的新型建筑材料。
今日热词
目录 附录 查词历史