solvent oil的用法和樣例：
例句
- The aromaticity of solvent oil in the sulfonation reaction was investigated.
考察了溶劑油磺化過程中芳烴含量的變化。 - Refining n-heptane from solvent oil is an efficient and economic method and the refined n-heptane is now widely used in chemical industry.
摘要從溶劑油中提取具有廣泛用途的正庚烷，是現階段經濟有效的方法。
