听力原文:What's Padma doing in the office so late? (A) For the late night show, with Bella. (B) Checking her mail, I expect. (C) From her mother, she said. (34)
【简答题】例:主动轮 A 的输入功率 P A =36kW ,从动轮 B 、 C 、 D 输出功率分别为 P B =P C =11kW , P D =14kW ,轴的转速 n=300r/min. 试传动轴指定截面的扭矩。 试计算截面1的扭矩为( )N.m; 截面2的扭矩为( )N.m; 截面3的扭矩为( )N.m