asphaltenes content

例句：

1. 1.The oil content of the sample is 85%.
   样本的油含量为85%。
2. 2. The wax content in the candle is high.
   蜡烛中的石蜡含量很高。
3. 3.The oil and wax content of the product is very low.
   该产品的油和石蜡含量非常低。