发布时间:2025-02-01 17:09:58
含水率=(湿土质量 - 干土质量)÷干土质量=湿土质量÷干土质量 - 干土质量÷干土质量
=湿土质量÷干土质量 - 1
湿土质量÷干土质量 =含水率+1
干土质量=湿土质量÷(含水率+1)
又没有了解的亲来说说乐家卫浴是几线品牌目前这个品牌的排名如何
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