flash butt weld.ing

flash-butt-welding的音标和读音：
DJ音标发音： [ˈweldiŋ]
KK音标发音： [ˈwɛldɪŋ]

flash-butt-welding的词性：
n.（名词）

1. A technique for joining segments of metal rail or pipe in which segments aligned end to end are electronically charged, producing an electric arc that melts and welds the ends of the segments, yielding an exceptionally strong and smooth joint.Also called flash welding
闪光对接焊：一种用来焊接几段金属杆或金属管的技术，利用给头尾对接的金属通电后产生的电弧熔化和焊接金属段的接头处，从而形成一个十分牢固而光滑的连接体也作 flash welding