发布时间:2025-01-31 19:33:22
砌筑水泥种类一般为粉煤灰硅酸盐水泥,代号是325
分析,水泥有硅酸盐水泥和复合水泥,一般砌筑都是粉煤灰硅酸盐水泥,水泥标号有325,425和525号,用325即可
南京十大服装批发市场 南京服装批发市场有哪些 南京哪个服装批发市场便宜
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