机械零件 - 2026 进行中

科目: 机械零件
级别: II
类别: 大学生
测试题目: 英语
问题示例: A steel shaft has a diameter of 20 mm and carries a bending moment of 100 N·m. What is the nominal bending stress in the shaft? Approximately 159 MPa, Approximately 32 MPa, Approximately 64 MPa, Approximately 318 MPa