问题
问答题 简答题
焊接弯头和热压弯头时,对其端面垂直度偏差值△有何规定的?
答案
参考答案:
焊接弯头和热压弯头,其端面垂直度偏差△应不大于管子外径的1%,且不得大于3mm。
焊接弯头和热压弯头时,对其端面垂直度偏差值△有何规定的?
参考答案:
焊接弯头和热压弯头,其端面垂直度偏差△应不大于管子外径的1%,且不得大于3mm。
CONVERSATION 1 (Questions 1-4)
Arranging Travelling |
The second speaker \r\n plays (1) and goes to a short (2) The first speaker is busy with his (3) And he encourages the second speaker to try and then he will feel (4) better. |