简述建筑石膏的技术性质。
(1)凝结硬化速度快(2)凝结硬化时具有膨胀性(3)硬化后的多孔性(4)良好的隔热、吸声和“呼吸”功能(5)防火性好,但耐水性差(6)有良好的装饰性和可加工性(每点1分,答对任意5点得满分)
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/746157.html
上一篇:质量小组是指
下一篇:Passage ThreeBefore the grass has thickened on the roadsides and leaves have started growing on the trees is a perfect time to look around and see just how dirty Britain has become. The pave- ments are stained with chewing gum and the ditches are