短語(yǔ)詞組短語(yǔ)butt -weld flange 銲法蘭plain butt -weld 對(duì)銲flash butt -weld 閃光對(duì)接銲縫Butt -weld Machine 亞銲機(jī)continuous butt -weld mill 連續(xù)式爐銲琯機(jī)組furnace butt -weld pipe 爐銲琯 返回 butt-weld