发布时间:2025-01-31 23:37:07
知道亩数就是知道了面积数,把它们单位统一后,长乘宽等于面积,用面积(亩数)除长度即得宽。
自家建房了用的新模板天花板太滑要怎么样处理之后才批砂浆层比较牢固不易掉
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