单项选择题
A.赖氨酸 B.蛋氨酸 C.谷氨酸 D.甘氨酸
A.150ppm B.180ppm C.200ppm D.220ppm
A.25% B.22% C.18% D.27%
A.2500ppm B.2000ppm C.2250ppm D.2350ppm
微信扫一扫,加关注免费搜题