Study of Dynamic Degradation Laws in Rumen of the Initial Stage of Weaning Holstein Calf to Alfalfa Hay with Different Composition Diets是什么意思_Study of Dynamic Degradation Laws in Rumen of the Initial Stage of Weaning Holstein Calf to Alfalfa Hay with Different Composition Diets在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句