图5-8-7所示二梁除载荷外其余条件相同。最大挠度比Y<sub>B2</sub>/Y<sub>B1</sub>为:()<img src='https://img2.soutiyun.com/shangxueba/ask/19014001-19017000/19015192/2016071911014310549.jpg' />

A.2 B. 4 C. 8 D. 16/5

时间:2023-09-15 10:41:40

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