试验期间，饲料由吉林省农业学校畜牧场饲料加工车间自行配制。

All the feed were made up by the processing-workshop of feedstuff in the animal farm in the Jilin agriculture academy.

youdao

试验期间，饲料由吉林省农业学校畜牧场饲料加工车间自行配制。

All the feed were made up by the processing-workshop of feedstuff in the animal farm in the Jilin agriculture academy.

youdao