【简答题】图示圆锥形扭杆,A、B两端面直径分别为d 1 、d 2 ,长度L,两端扭转力偶为m x ,材料的剪切模量为G,试求:1)杆内τ max 与相对扭角φ BA 表达式;2)若已知d 1 =50mm,d 2 =100mm,L=300mm,m x =1kN·m,G=80GPa,试计算τ max 与φ BA 。
【简答题】阅读理解。 Mark Twain was my hero when I was nine because that was when I discovered Tom Sawyer . But even at the height of my admiration, I couldn't agree with him that Anne, the main character in Anne of...