soap content in grease

例句：

1. 1.The soap content in the oil is 20%.
   这种油的肥皂含量是20%。
2. 2. We need to check the soap content in the product before it reaches the market.
   在产品上市之前，我们需要检查产品的肥皂含量。
3. 3. The soap content in the oil can affect the quality of the final product.
   油脂中的肥皂含量会影响最终产品的质量。