coal distillation

例句：

1. 1. The process of coaldistillation is crucial for the production ofclean energy.
   煤炭蒸馏过程对于生产清洁能源至关重要。
2. 2. Coal distillation has been usedto produce synthetic fuels and chemicals.
   煤炭蒸馏已被用来生产合成燃料和化学品。
3. 3.The distillation column was designed to separatethe different fractions of coal.
   蒸馏塔被设计来分离煤炭的不同馏分。