A-A+ 若图示梁B端的转角θB=0 则力偶矩M等于:()。A.FlB.2Fl/3C.4Fl/3D.Fl/2请帮 2020-11-08 15:53:13 问答库 阅读 问题详情 若图示梁B端的转角θB=0,则力偶矩M等于:()。A.FlB.2Fl/3C.4Fl/3D.Fl/2请帮忙给出正确答案和分析,谢谢! 参考答案 查看解答