所有羊进行严格的低钙、磷喂养，在实验的饮食习惯。

All sheep received restricted diet with low calcium and phosphorus during experiment.

youdao

所有羊进行严格的低钙、磷喂养，在实验的饮食习惯。

All sheep received restricted diet with low calcium and phosphorus during experiment.

youdao