皮皮学，免费搜题
登录
搜题
【多选题】
下列关于钢结构焊接工程的施工质量验收规定，叙述正确的有（ ）。A.
碳素结构钢应在完成焊接24h后，进行焊缝探伤检验
B.
低合金结构钢应在焊缝冷却到环境温度后，进行焊缝探伤检验
C.
焊缝表面不得有裂纹、焊瘤等缺陷
D.
设计要求全焊透的一级焊缝应采用超声波探伤进行内部缺陷的检验
E.
对于使用超声波探伤不能对缺陷作出判断时，应采用射线探伤
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】—The book store ________ a big sale. The books there must be very cheap now. —Sounds great. Let’s go into it and have a look.
A.
will have
B.
had
C.
is having
D.
was having
【简答题】阅读理解。 One of this summer's hottest books is 'That Guy Was Cool.' Sounds like a great book for kids, doesn't it? But parents and teachers want to read this one, too. It can teach them something about t...
【单选题】A direct order like “ Daisy, pass me the book” sounds rude. We’d better say: “________”
A.
Daisy, could you please pass me the book?
B.
Daisy, I wonder if can you pass me the book.
C.
Daisy, give me the book!
D.
Daisy, I wonder you can pass me the book.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
