Effect of strength match of girth weld on safety of the west - east pipeline 西气东输管道环焊缝强度匹配工艺探讨
Two - sided vertical argon arc welding on aluminium - alloy large - scale hemispherical sealing 大型半球形铝合金封头双面垂直氩弧焊
Code of practice for welding on steel pipes containing process fluids or their residuals 含有工艺流体或其残留物的钢管焊接实用规程
Effects of welding on contents of blood essential elements among welding workers exposed to manganese 电焊作业对工人血液中必需元素的影响
Edge preparation for welding ; matching of inside diameter for circumferential welds on seamless pipes 焊缝预加工.无缝管圆周焊缝内径的配接
Preparation of welds ; matching of inside diameters for circumferential welds on welded pipes 焊缝预加工.第3部分:焊接管道圆周焊缝的内径配合
Consisting of thin base plates shaped to the shell and half pipe water channels welded on 的安装，由适合于壳形状的薄底板和半边水管槽焊接而成。
Stainless steels fittings for aseptic , chemical and pharmaceutical industries - tees , bends , reducers for welding on 无菌化学工业和药业用不锈钢配件.焊接用三通管弯
Preparation of welds ; part 4 : matching of inside diameters for circumferential welds on seamless pipes of stainless steels 焊缝预加工.第4部分:不锈钢无缝管圆焊缝内径配合
The backing plate shall be welded with matching electrodes so that the weld on the clad side is flush with the backing plate surface 底板用配套焊条焊接，使复层侧的焊缝与背衬板表面齐平。
