heavy distillate

例句：

1. 1.The heavy distillate was used as a solvent for the chemical reaction.
   这种重蒸馏物被用作化学反应的溶剂。
2. 2. The heavy distillate was analyzed to determine its chemical composition.
   对重蒸馏物进行了分析以确定其化学成分。
3. 3. The heavy distillate was used in the production of various chemicals.
   该重蒸馏物用于生产各种化学品。