片语
the protein-energy ration与热卡之比
ration crude protein rcp日粮粗蛋白质
protein-energy ration蛋能比
ration of protein transform蛋白转化率
ration crude protein日粮粗蛋白质
high protein ration高蛋白日粮
ration protein日粮蛋白质
ration protein levels日粮蛋白质水平
urinary protein ration尿蛋白排泄量