检测简支梁的剪应力时,其应变片应贴在()。
A.跨中下缘
B.跨中中性轴处
C.支点中性轴片
D.支点附近下缘
参考答案:D
Would it be too much to ask you ( )to my question by tomorrow
A.respond
B.to respond
C.responding
D.responded
按GB150-1998附录B的规定,安全阀的阀体在方位上应处于()方向。
A.水平
B.垂直
C.倒置
D.倾斜