<p>如图所示双角钢2L125X8采用三面围焊和节点板连接，求能承受的最大拉力N。<br><img max-width="300" src="https://file.gaojiufeng.cn/learnAppQuestion/32/d3/32d38313dee2f8aff71be155ede741b1.jpg" style="width: 100%;height: auto;"><br><br><img max-width="300" src="https://file.gaojiufeng.cn/learnAppQuestion/ca/15/ca1526eb89ea465c1a68a15f9fa7eaec.jpg" style="width: 100%;height: auto;"></p>