Mfr. of a self-locking cap nut comprises electrically welding a cap, which is drawn from sheet metal and provided with a bevelled outer edge, and which is pressed against a metal nut to form a corner butt weld on the inside. The welding process is divided into pre-pressing, welding and...
aflash butt weld or thermit weld 一刹那对接焊或铝热剂焊接[translate] a方案之方向略作調整后可执行 Direction of after the plan makes the adjustment to be possible slightly to carry out[translate] athese were all high-street btands having the day, date and time. 这些是所有高街道btands有天、...