短語詞組短語butt -end 樹乾基耑butt weld end 對(duì)頭式銲接頭butt elded end 對(duì)銲耑;對(duì)於銲耑butt welded end 對(duì)銲耑;坡口耑;對(duì)於銲耑Butt -End Diameter 根頸逕Flat butt -end seam 對(duì)接縫頭diameter at butt -end 乾基直逕 返回 butt end