基本解释活性曝氣法词组短语短語Sheffield system of bioaeration 謝菲爾特生物曝氣系統bioaeration更多词组英英字典柯林斯英英字典 the oxidative treatment of raw sewage by aeration bioaeration剑桥字典bioaeration柯林斯字典专业释义食品科學技術生物通氣