In this case, testing of the weld area of the finished pipe is not required.

在这种情况下，成品管道焊接区域的焊接试验并不是必需的。

youdao

In this case, testing of the weld area of the finished pipe is not required.

在这种情况下，成品管道焊接区域的焊接试验并不是必需的。

youdao