机械零件 - 2026 进行中
1000 ₸
科目: 机械零件 级别: IV
类别: 大学生
测试题目: 英语
问题示例: A machine component is designed to withstand a maximum working load of 8 kN, while its failure load is estimated at 32 kN. What is the factor of safety? 4, 0.25, 24, 40