短语词组短語ellipsoidal head lamp 橢圓形前大燈standard ellipsoidal head 標準橢圓封頭semi -ellipsoidal head 半橢球形封頭drum ellipsoidal head 鍋筒橢圓形封頭approximate ellipsoidal head 近似橢圓封頭stamping of non -standard ellipsoidal head 非標封頭沖壓 返回 ellipsoidal head