Naphtha solvent

例句：

1. 1.The solvent is crucial for the extraction of oil from coal.
   溶剂对于从煤中提取油至关重要。
2. 2. The solvent was used to dissolve the waxy substance in the sample.
   溶剂被用来溶解样品中的蜡质物质。
3. 3.The solvent was carefully removed from the reaction mixture before the experiment was completed.
   在实验完成之前，溶剂被小心地从反应混合物中移除。