說明:1.理論質量按密度7.85g/cm3計算?! ?.每米質量≤24kg。a—軌高a—底寬c—頭寬d—頭高e—腰高f—底高t—腰厚輕軌的尺寸及質量型號截面尺寸/mmabcdeft91215223063.5069.8579.3793.66107.9563.5069.8579.3793.66107.9532.1038.1042.8650.8060.3317.4819.8522.22 (共 513 字) [閱讀本文] >>
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 說明:1.理論質量按密度7.85g/cm3計算?! ?.每米質量≤24kg。a—軌高a—底寬c—頭寬d—頭高e—腰高f—底高t—腰厚輕軌的尺寸及質量型號截面尺寸/mmabcdeft91215223063.5069.8579.3793.66107.9563.5069.8579.3793.66107.9532.1038.1042.8650.8060.3317.4819.8522.22 (共 513 字) [閱讀本文] >>