常见例句Brooks,.Garner CC B, Gehrke, Muhrer M E, Pfander W H.The effect of added fat on the digestion of cellulose and protein by ovine rumen micro organisms[J].Animal. 郑晓中;冯仰廉.;反刍家畜脂肪补充词料的研究与应用[J] 返回 Pfander