双丝窄间隙埋弧焊  tandem narrow gap SAW

窄间隙埋弧焊成套设备  complete set of narrow gap submerged arc welding equipment

超窄间隙MAG焊  ultra-narrow-gap gas metal are welding; ultra-narrow-gap gas metal arc welding

超窄间隙焊接  Ultra-narrow-gap welding; ultra-narrow gap welding; UNGW; c-kit gene mutation

一种多功能窄间隙焊机  A Multi-function Narrow Gap Welding Machine

窄间隙焊  narrow gap welding; mean grudge welding; Narrow-gap welding

窄间隙焊机  narrow gap welder

窄间隙焊接  Narrow-gap welding; narrow gap welding

窄间隙焊接技术  NG welding technology

窄间隙焊枪  narrow gap welding gun

埋弧焊焊缝  Submerged-arc weld

双弧埋弧焊  twin arc submerged arc welding

双面埋弧焊焊缝  weld of double SAW pipes

超窄间隙GMAW  ultra narrow gap GMAW

厚壁管窄间隙全位置焊  All-position Narrow Gap and Thick-walled Pipe Welding

厚壁管窄间隙全位置焊接  all position narrow gap and thick wall pipe welding; all position narrow gap and thick walled pipe welding

狭窄间隙  close clearance

狭窄间隙反应性离子蚀刻系统  narrow gap reactive ion etching system

窄间隙  small clearance; mircro gap; Narrow gap; Narrow-gap welding; narrow channel