麻饼型日粮中添加烟酸对绵羊瘤胃发酵底物降解动力学研究
Study on dynamic change of niacin supplementation in linseed meal based diets on rumen fermentation in vitro
这是麻克力饼屑南瓜馅饼。
This is pumpkin pie with a Macholate crust .
麻饼