Studies on the Changes of Foam Stability, Yeast Proteinase A and Protein Content and Composition in Unpasteurized Beer during the Storage是什么意思_Studies on the Changes of Foam Stability, Yeast Proteinase A and Protein Content and Composition in Unpasteurized Beer during the Storage在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句