短語詞組短語butt seam welding 對接滾銲;對接縫銲;滾對銲;對縫銲接butt resistance welding machine 對銲機Butt -welding ends 對銲連接butt sefeel welding 滾對銲butt resistance welding 電阻對銲;對接電阻銲;電阻對接銲;對頭電阻銲接slanting butt seam welding 斜對接縫銲butt seam welding machine 對接滾銲機;對接縫銲機 返回 butt welding