lap side seam[皮革] 搭接接缝
lap welded seam搭接焊缝
lap p seam welder搭焊机
lap over seam搭接缝
lap-seam cathode叠缝阴极
Lap-seam felling搭接褶缝
lap seam welding搭接缝焊;搭接焊;搭接滚焊
lap seam weld搭接焊缝;搭接缝焊;搭接滚焊接头;搭缝熔接英语
soldered lap seam软焊搭缝