The method of design and calculation on in-linewelding branch pipeline for gas transmission trunk line is introduced.
介绍了干线输气管道热连接分支管道的设计计算方法。
2
In order to reduce the labor intensity and to improve the welding quality, a new type of intersecting linewelding robot is needed.
为了降低工人的劳动强度，提高焊接质量和劳动效率，需要研制一种专门用于相贯线焊缝焊接机器人专机。
3
The on linewelding quality monitoring becomes one of the most heeded technology in the production industry especially in the automobile component manufacture.