发布时间:2025-01-31 23:30:16
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。
最近想买紫砂电炖锅但听说之前美的的紫砂锅被爆含有毒物质所以想问现在市面上的紫砂锅是否有问题谢
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