短語詞組短語hydrogen ion welding 氫離子銲hydrogen -welding 氫銲atomic hydrogen arc welding 氫原子電弧熔接;原子氫銲hydrogen atomic welding 原子氫銲接atomic -hydrogen arc welding 原子氫銲atomic hydrogen -welding electrode 原子氫銲電極atomic hydrogen welding electrode 原子氫銲電極hydrogen welding electrode 低氫型電銲條atomic hydrogen welding apparatus 原子氫銲接機(jī);原子氫銲機(jī) 返回 hydrogen welding