feed - grade的用法和樣例：
例句
- The market of feed grade dicalcium phosphate at home and abroad is reviewed and the future is forecasted.
回顧國內外飼料級磷酸氫鈣市場，並對未來市場需求進行預測。 - Research development and processing parameters of the commercialized process of biuret as feed are reviewed , and different methods of synthesis are compared and evaluated.
介紹了飼料級縮二脲的研究進展及已工業化的工業參數，並且對各種合成方法進行了評價，從中可借鑒其可行的路線。
