distillation cut

• 馏分

distillation cut的用法和样例：

例句

1. It is not always easy to separate a mixture of liquids into pure substances by fractional distillation.
   用馏分蒸馏法把液体的混合物分成纯物质，不总是轻而易举的事。
2. During the course of the TBP distillation, the distillates which accumulate between specified temperatures are withdrawn.
   在真沸点蒸馏过程中，对规定温度范围内所收集的馏分可加以回收。