发布时间:2025-02-01 09:49:47
人行道透水砖砂浆的常见配合比为水泥、沙、水的比例为1:2.5:0.55。具体来说,1袋水泥标号为P.O42.5的普通硅酸盐水泥,加入2.5个沙子(砂子),并加入0.55的清水即可。在实际使用中,如果需要增加透水砖的韧性,可以适当增加砂浆中的水泥比例,如1:3的配合比;如果需要增加透水砖的韧性和抗冻性,可以适当增加砂浆中的沙子比例,如1:2的配合比
请问我10年买的房子十年房贷买时10月28日交款请问我今年几月份到期不用再交钱
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