搜题请搜索小程序“爱下问搜题”
问题 单项选择题

对于直接承受动力荷载的结构，计算正面直角焊缝时（）。

A.要考虑正面角焊缝强度的提高

B.要考虑焊缝刚度影响

C.与侧面角焊缝的计算式相同

D.取βf=1.22

答案

参考答案：C

排序题

句子排序组成对话。

A. Sorry. I don't know. You can go and ask the policeman.

B. You can't miss it.

C. Thank you anyway.

D. Excuse me, Do you know the way to Tian An Men Square?

E. First. You need to take the No.47 bus and then you can change to the NO.22 bus at Xidan.

F. Excuse me. Could you tell me the way to Tian An Men Square?

                                                                               

查看答案
多项选择题

焊接过程中，选用碱性焊条的条件是（）。

A.焊件碳、硫、磷质量分数较大的构件

B.承受动荷载、交变荷载的构件

C.焊件表面带有油、锈、污等难以清理的结构件

D.厚度、刚度，形状复杂的结构件
查看答案