vertical down welding

英 [ˈvɜːtɪkl daʊn ˈweldɪŋ]

美 [ˈvɜːrtɪkl daʊn ˈweldɪŋ]

网络  向下立焊

化学

双语例句

• 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 vertical down welding for gas pipe line
  天然气长输管道下向焊接技术的应用
• Vertical down co_2 welding for fin tubes of boiler
  锅炉鳍片管的CO2向下立焊
• 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 cold cracking sensibility of high tensile pipeline-steel was studied by Ygroove cracking test using seven kinds of high cellulose electrode of vertical down position welding.
  采用七种高纤维素型立向下电焊条，通过斜Y坡口裂纹实验，对高强管线钢的冷裂敏感性进行实验研究。
• 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。