材料学 - 2026 进行中
1000 ₸
科目: 材料学 级别: II
类别: 大学生
测试题目: 英语
问题示例: A tensile force of 1,000 N acts uniformly on a cross-sectional area of 200 mm². What engineering stress is produced? 0.2 MPa, 5 MPa, 200 MPa, 5,000 MPa