短語(yǔ)詞組短語(yǔ)oil -refining unit 鍊油裝置vegetable oil alkali refining 植物油堿鍊oil l refining caldron 鍊油鍋vegetable oil acid refining 植物油酸鍊oil shale refining 油頁(yè)巖鍊制 返回 oil refining