问题
多项选择题
油罐焊接完毕后,检查罐顶焊缝严密性的方法一般采用()。
A.煤油试漏法
B.压缩空气试验法
C.真空箱试验法
D.化学试验法
答案
参考答案:A, B
解析:
罐底焊接完毕后,通常用真空箱试验法或化学试验法进行严密性试验,罐壁严密性试验一般采用煤油试漏法,罐顶则一般利用煤油试漏或压缩空气试验法以检查其焊缝的严密性。
油罐焊接完毕后,检查罐顶焊缝严密性的方法一般采用()。
A.煤油试漏法
B.压缩空气试验法
C.真空箱试验法
D.化学试验法
参考答案:A, B
解析:
罐底焊接完毕后,通常用真空箱试验法或化学试验法进行严密性试验,罐壁严密性试验一般采用煤油试漏法,罐顶则一般利用煤油试漏或压缩空气试验法以检查其焊缝的严密性。
It’s September1st, and we’re all back to school. It’s good to all my teachers and friends again. They all fine. We’re in Grade Eight this year. We have new subjects. I’m not very at Chinese, but Han Mei says she can me. I think I can it better. I like English very much. Zhang Hong likes English, . But she needs help. I I can help her. Mr Hu is our new English teacher. He know all of us, so he has our names on a piece of paper and our names before he begins his lesson.
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