基本解释预冻结同根派生 prefreezing相关词英汉例句Keywords MAP;vacuum prefreezing;beef;shelf life; 气调包装;真空预处理;牛肉;货架期;Prolonging the Shelf Life of Fresh Beef by MAP Combined with Vacuum Prefreezing MAP结合真空预处理延长鲜牛肉货架期prefreezing更多例句