The variable cross-section rod is shown in the figure. Given that and , the maximum normal stress in the rod is MPa.A．80B．100C．120D．150
The variable cross-section rod is shown in the figure. Given that and , the maximum normal stress in the rod is MPa.
A、80
B、100
C、120
D、150
发布时间：2025-11-03 23:13:10
