发布时间:2025-01-20 04:46:04
垫层浇筑一周时间后可以铺花岗岩。一般铺装用的垫层在混凝土终凝不能有过重的材料在上面堆积,硬物要轻放,一般养护不得少于七昼夜,垫层浇筑结实后,才可开始铺贴石材。
canon powershot g1047g11使用详解编辑推荐
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