松焦油

例句：

1. 1. This type of oil is used in the production of paper and other materials.
   这种油用于生产纸张和其他材料。
2. 2. The chemical industry uses this oil as a solvent for many processes.
   化学工业使用这种油作为许多过程的溶剂。
3. 3. The oil was extracted from pine trees and has been used for centuries.
   这种油从松树中提取出来，已经使用了好几个世纪。