问题 多项选择题

单层钢结构安装工程中,地脚螺栓(锚栓)尺寸的允许偏差为()。

A.螺栓(锚栓)露出长度+30.0mm,0.0mm

B.螺栓(锚栓)露出长度+20.0mm,0.0mm

C.螺栓(锚栓)露出长度+30.0mm,5.0mm

D.螺纹长度+30.0mm,0.0mm

E.螺纹长度+20.0mm,0.0mm

答案

参考答案:A, B, C, E

选择题
单项选择题 A1型题