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槽钢理论重量表和表面积

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.045Р39.304Р5Р[10Р10.007Р38.826Р6Р[12Р12.059Р37.294Р7Р[12.6Р12.318Р37.488Р8Р[14aР14.535Р35.088Р9Р[14bР16.733Р30.7Р10Р[16aР17.24Р33.078Р11Р[16Р19.752Р29.059Р12Р[18aР20.174Р31.255Р13Р[18Р23Р27.576Р14Р[20aР22.637Р30.558Р15Р[20Р25.777Р26.98Р16Р[22aР24.999Р29.934Р17Р[22Р28.453Р26.463Р18Р[24aР26.86Р29.551Р19Р[24bР30.628Р26.037Р20Р[24cР34.396Р23.319Р21Р[25aР27.41Р29.702Р22Р[25bР31.335Р26.1Р23Р[25cР35.26Р23.326Р24Р[27aР30.838Р28.205Р25Р[27bР35.077Р24.929Р26Р[27cР39.316Р22.335Р27Р[28aР31.427Р28.325Р28Р[28bР35.823Р24.979Р29Р[28cР40.219Р22.341Р30Р[30aР34.463Р27.391Р31Р[30bР39.173Р24.192Р32Р[30cР43.883Р21.68Р33Р[32aР38.083Р26.151Р34Р[32bР43.107Р23.189Р35Р[32cР48.131Р20.845Р36Р[36aР47.814Р23.175Р37Р[36aР53.466Р20.795Р38Р[36bР59.118Р18.869Р39Р[40cР58.928Р20.409Р40Р[40aР65.204Р18.502Р41Р[40aР71.488Р16.94

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