The content of 17 kinds of . the main free amino acid in fresh human being milk and fresh cow milk was tested respectively by using Hitachi type 835-50 amino acid analysis apparatus.是什么意思_The content of 17 kinds of . the main free amino acid in fresh human being milk and fresh cow milk was tested respectively by using Hitachi type 835-50 amino acid analysis apparatus.在線翻譯_英語_讀音_用法_例句