<p>验算受集中荷载作用简支梁翼缘和腹板交接处的强度。<br><img max-width="300" src="https://learnfile.20230611.cn/learnAppQuestion/3d/3d/3d3d1ca56a53a6b58ed8934603ac7cb1.jpg" style="width: 100%;height: auto;"><br><br><img max-width="300" src="https://learnfile.20230611.cn/lear