【题目】-|||-矩形截面悬臂梁如图所示,已知 https:/img.zuoyebang.cc/zyb_a413e179d487269b89e1a0815247a5f3.jpg=4m, dfrac (b)(b)=dfrac (2)(3) =10kN/m, [ O] =10MPa 试-|||-确定此梁横截面的尺寸。-|||-q-|||-1-|||-b

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