說明:理論質(zhì)量按密度7.85g/cm3計算。h—軌高b—頂寬b1—頂下寬b2—底寬s—腰厚起重機鋼軌的尺寸及質(zhì)量型號基本尺寸/mm截面積/cm2理論質(zhì)量W/kghbb1b2s1m7m10.5m12.5mQU70QU80QU100QU120120130150170708010012076.5871081291201301501702832384467.3081.13113.32150.4452 (共 286 字) [閱讀本文] >>
海量資源,盡在掌握
 說明:理論質(zhì)量按密度7.85g/cm3計算。h—軌高b—頂寬b1—頂下寬b2—底寬s—腰厚起重機鋼軌的尺寸及質(zhì)量型號基本尺寸/mm截面積/cm2理論質(zhì)量W/kghbb1b2s1m7m10.5m12.5mQU70QU80QU100QU120120130150170708010012076.5871081291201301501702832384467.3081.13113.32150.4452 (共 286 字) [閱讀本文] >>