vertical down pipe的意思|示意
直立式落水管
vertical down pipe的网络常见释义
垂直距离 ... 竖向曲 vertical distance 垂直距离 vertical down pipe 垂直模板 vertical imposed load ...
vertical down pipe相关短语
1、 vertical l down pipe 直立式落水管
vertical down pipe相关例句
For vertical upward pipe, usually need to bend down;
②如有垂直向上的管道，通常必须拆弯管；
The project position of welder qualification test for long transporting pipe depends on vertical down welding basically, which is namely fixed pipe with axis horizontal welding (5gx).
长输管道的焊工考试项目位置基本以向下焊为主，即水平固定全位置焊(5gx)。