1、熔接fusion welding压接pressure welding 焊接过程welding process 焊接技术welding technique 焊接工艺welding technology/procedure 焊接操作welding operation 焊接顺序welding sequence 焊接方向direction of welding 焊接位置welding position 熔敷顺序build-up sequence deposition sequence 焊缝倾角weld slope/inclination o
2、f weld axis 焊缝转角weld rotation/angle of rotation 平焊位置flat position of welding横焊位置horizontal position of welding立焊位置vertical position of welding仰焊位置overhead position of welding平焊downhand welding/flat position welding横焊horizontal position welding立焊vertical position weldin
3、g仰焊overhead position welding 全位置焊all position welding：熔焊时，焊件接逢所处空间位置包括平焊、横焊、仰焊等位置所进行的焊接。如水平固定管所进行的环缝焊接向下立焊vertical down welding/downward welding in the vertical position向上立焊vertical up welding/upward welding in the vertical position倾斜焊inclined position welding上坡焊upward
4、 welding in the inclined position下坡焊downward welding in the inclined position对接焊butt welding角焊fillet welding搭接焊lap welding船形焊fillet welding in the downhand position/fillet welding in the flat position平角焊horizontal fillet welding立角焊fillet welding in the vertical positio
5、n仰角焊fillet welding in the overhead position坡口焊groove welding I形坡口对接焊square butt welding喇叭形坡口焊 flare groove welding卷边焊flanged edge welding纵缝焊接welding of longitudinal seam横缝焊接welding of transverse seam环缝焊接girth welding/ circumferential螺旋缝焊接welding of spiral seam/welding
6、of helical seam环缝对接焊butt welding of circumferential seam定位焊tack welding单面焊welding by one side双面焊welding by both sides单道焊single pass welding/single run welding多道焊multi-pass welding单层焊single layer welding多层焊multi-layer welding分段多层焊block sequence/ block welding分层多道焊multi-
