26.如下图所示一受均布载荷的外伸钢梁,已知q=517kNm,材料的许用应力a]=160MP:,试选择业梁所用工字形钢的型号LLLLLLLLLLLLLLLL
26.如下图所示一受均布载荷的外伸钢梁,已知q=517kNm,材料的许用应力a]=160MP:,试选择业梁所用工字形钢的型号LLLLLLLLLLLLLLLL
发布时间:2024-10-09 20:17:14
26.如下图所示一受均布载荷的外伸钢梁,已知q=517kNm,材料的许用应力a]=160MP:,试选择业梁所用工字形钢的型号LLLLLLLLLLLLLLLL