P content的用法和樣例：
例句
- An effective way to reduce phosphorus content in electroless nickel deposits is to use appropriate complexing agents.
降低化學鍍鎳鍍層磷含量的主要方法是選擇合適的絡合劑。 - The author in this paper studies a quick analytical method, namely potentiometric titration on measuring the holophosphate content in ordinary superphosphate phosphate fertilizer.
研究了電位滴定法快速測定普通過磷酸鈣磷肥中全磷含量的方法。
