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- This article illuminates the method and application of vertical down welding for gas pipe line,which ensures the welding quality and meets the requirement of pipe design. 对立向下焊接技术的应用情况加以说明,并阐述此方法是如何保证长输管线的焊接质量,满足管道设计技术要求的。
- In this paper, the improvement of vertical down welding in piping is introduced and the technology of mixed vertical downwards welding and co - operated vertical down welding are described . 介绍了手工向下焊焊接工艺在长输管道焊接方面的发展,主要叙述了混合型向下焊焊接工艺和复合型向下焊焊接工艺的应用。
- Vertical Down Welding on Pipeline of Lorge Calibre 大口径管道下向焊接
- Vertical down welding of common electrode 普通焊条向下立焊
- vertical down welding technology 下向焊工艺
- electrode for vertical down welding 向下立焊条
- electrode of vertical down welding 立向下焊条
- Application of vertical down welding for gas pipe line 天然气长输管道下向焊接技术的应用
- Application of vertical down welding in pipelines project 向下焊在管道工程中的应用
- Introduced here is the advanced flux cored down weld technology. 介绍了药芯焊丝自保护下向焊技术。
- Vertical down welding technique for house shell in oil field using ordinary basic electride 普通碱性焊条向下焊技术在油田房壳上的应用
- PRESENT SITUATION AND DEVELOPING TENDENCY OF THE VERTICAL DOWN WELDING TECHNOLOGY OF PIPELINE IN CHINA 我国长输管道下向焊技术的现状及发展趋势
- Application of mixing-type vertical down welding technology in oil product pipeline project 混合型向下焊工艺在成品油管道工程中的应用
- Research on Low Cellulose Type Covered Electrode for All Position and Vertical Down Welding 低纤维素型全位置立向下焊条的研究
- The vertical down welding for the long distance oil convey pipe laying of Kunming Airport 昆明机场长距离输油管线的立下向焊
- vertical down welding 向下立焊
- Daniel's former hairs, vertical down with a touch of the silk, fluttering in the wind, going spiky one by one, taking on the color of flame red, then to golden yellow. 原本向下垂的如丝的直发，如今在风中飘逸，一根一根地变硬，向上竖直，颜色从炙热的火红，到金黄。
- Gets or sets the number of pages displayed vertically down the screen. 获取或设置屏幕纵向显示的页数。
- The human brain is divided vertically down the middle into two hemispheres. 人脑从中央垂直地分为两半球。
- Have a glass of beer to rinse your dinner down. 喝杯啤酒把你吃的晚饭冲下去。
