在线题库
[单选] (3)(3分)CB段正应力 _______。SqBJOl+9COPf1LB8KSM+NWmI1LCf1rhPnnqJQu36evnb7gMbAChEQZehcGw1xmEj2q0dwcaH8hLPFMaPBOwmrfwcQxGpr3B8azmY9O6xKcm7tMknc9Zx7krNuIEQepvN6x8ionnjGXjLYuhKAxAvOV73s2ivNAWHRLePsvKCxiixSWwiIIEFJ1lsIiCBBSdZbCIggQUnWWwiIIEFJ1lsIiCBBSdZbCIggQUnWWwiIIENI/7K4OdLkOuf4AAAAASUVORK5CYII=
发布时间:2024-03-05
0次
a. —18MPa
b. 18MPa
c. 90MPa
d. —90MPa