英语翻译A section of tube approximately 100 mm in length shall b
英语翻译
A section of tube approximately 100 mm in length shall be split longitudinally,90° on each side of the weld,and the sample opened and flattened with the weld at the point of maximum bend.
问答/425℃/2024-07-03 01:04:10
优质解答：
把管子纵向劈开约100毫米长度,用火（焊枪）加热后,将劈开的两半各向外弯90度,然后,用火在弯角处加热后展开,凿平,