coal-tar resin

例句：

1. 1. The coal-tarresin is used in the production ofvarnishes and coatings.
   煤焦油树脂用于生产油漆和涂料。
2. 2.Coal-tar resin is anatural resource that can be extracted from coal.
   煤焦油树脂是一种可以从煤炭中提取的自然资源。
3. 3. The use of coal-tar resin has been banned in somecountries due to its toxicity.
   由于其毒性，某些国家已禁止使用煤焦油树脂。