Ptt 大爆卦 | 銅比重 - 前往 https://www.facebook.com/GSsteel/photos/%E5%A4%A7%E5%AE%B6%E5%B8%B8%E7%82%BA%E4%BA%86%E9%8B%BC%E6%9D%90%E9%87%8D%E9%87%8F%E8%A8%88%E7%AE%97%E5%82%B7%E8%85%A6%E7%AD%8B%E5%97%8E%E4%BB%8A%E5%A4%A9%E5%B0%8F%E7%B7%A8%E8%88%87%E5%A4%A7%E5%AE%B6%E5%88%86%E4%BA%AB%E5%A6%82%E4%BD%95%E5%9C%A8%E6%B2%92%E6%9C%89%E7%A3%85%E7%A7%A4%E7%9A%84%E6%83%85%E6%B3%81%E4%B8%8B%E5%88%A9%E7%94%A8%E7%94%A2%E5%93%81%E7%9A%84%E5%B0%BA%E5%AF%B8%E8%88%87%E6%95%B8%E9%87%8F%E5%B0%B1%E8%83%BD%E6%8E%A8%E4%BC%B0%E5%87%BA%E5%A4%A7%E7%B4%84%E7%9A%84%E5%AF%A6%E9%9A%9B%E9%87%8D%E9%87%8F%E9%90%B5%E6%9D%BF785%E9%8B%BC%E9%90%B5%E7%9A%84%E6%AF%94%E9%87%8D%E9%95%B7m%E5%AF%ACm%E5%8E%9Amm%E4%BE%8B%E5%B8%B8%E7%94%A8%E5%B0%BA%E5%AF%B8%E9%90%B5/1055212147943541/

你即將離開本站

並前往https://www.facebook.com/GSsteel/photos/%E5%A4%A7%E5%AE%B6%E5%B8%B8%E7%82%BA%E4%BA%86%E9%8B%BC%E6%9D%90%E9%87%8D%E9%87%8F%E8%A8%88%E7%AE%97%E5%82%B7%E8%85%A6%E7%AD%8B%E5%97%8E%E4%BB%8A%E5%A4%A9%E5%B0%8F%E7%B7%A8%E8%88%87%E5%A4%A7%E5%AE%B6%E5%88%86%E4%BA%AB%E5%A6%82%E4%BD%95%E5%9C%A8%E6%B2%92%E6%9C%89%E7%A3%85%E7%A7%A4%E7%9A%84%E6%83%85%E6%B3%81%E4%B8%8B%E5%88%A9%E7%94%A8%E7%94%A2%E5%93%81%E7%9A%84%E5%B0%BA%E5%AF%B8%E8%88%87%E6%95%B8%E9%87%8F%E5%B0%B1%E8%83%BD%E6%8E%A8%E4%BC%B0%E5%87%BA%E5%A4%A7%E7%B4%84%E7%9A%84%E5%AF%A6%E9%9A%9B%E9%87%8D%E9%87%8F%E9%90%B5%E6%9D%BF785%E9%8B%BC%E9%90%B5%E7%9A%84%E6%AF%94%E9%87%8D%E9%95%B7m%E5%AF%ACm%E5%8E%9Amm%E4%BE%8B%E5%B8%B8%E7%94%A8%E5%B0%BA%E5%AF%B8%E9%90%B5/1055212147943541/

**7.85(鋼鐵的比重)長(M)寬(M)*厚(mm) 例**

鐵板：7.85(鋼鐵的比重)*長(M)*寬(M)*厚(mm) 例：常用尺寸鐵板厚1mm 寬4尺*長8尺的鐵 ... 其他材質只要有比重也能套以上公式如銅比重8.8 鋁2.7 鋅6.9.

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