The main properties of the wall brick such as exterior quality,strength character,volume density,the water absorption and dry contractibility satisfied the basic requirements for wall brick.

  • 结果表明:墙体砖中高炉渣掺量可达70%25以上,其外观质量、强度性能、体积密度、吸水率和干燥收缩性能等指标均达到或超过砌墙砖的基本要求。
目录 查词历史