jam welding
... 解卡 jam release 对接焊 jam welding 侧柱;壁炉侧墙;矿柱;门窗侧壁 jamb ...
Butt joint
... flash butt-weld 闪光对接焊缝 butt joint weld 对接焊 butt-weld 对头焊接 ; 平式焊接 ; 碰焊 ; 对接焊 ...
BW
应当按7.2节,在板(P)上或管子1)(T)上作对接焊(BW)和角焊(FW),生产试件用于鉴定考查。
butt weld ; welding seam ; upset welding joint
butt welding
upset welding ; resistance butt welding ; upset butt welding ; butt resistance welding