发布时间:2025-01-19 15:03:11
钢的比重为每立方米7.85吨,不锈钢的比重为每立方米7.75吨,所以:
5mm厚304不锈钢每平方米理论重量=7750公斤×0.005=38.75公斤。即:它要比钢板稍稍轻一些。
2022上半年中国房地产企业销售top200排行榜揭晓附完整榜单
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