4kN / m2 f = N63.5 12 B ( 1 + 0.3 ) = 20 ( 1+ - 12 0.3 2.0 = 1.92kg / cm2 = 187.8kN / m2 ( 3 )用梅耶霍夫公式( 8-67 ) N. ( 1 + 1 ) = 2x ( 1 + 1,2 ) = 3.2kg ...
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