【单选题】弯曲变形时,弯曲剪应力在横截面上( )分布
【判断题】全员生产维修制度建立以设备短期为对象的生产维修系统, 确保寿命周期内无公害、无污染、安全。
【简答题】图示槽形截面铸铁梁,F=10kN,Me=70kN.m,许用拉应力[σt]=35MPa,许用压应力[σc]=120MPa。试校核梁的强度。
【简答题】Say something about the significance of Greek culture in terms of its contribution to the West by referring to other cultures like that of China.