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。
During the course of the TBP distillation, the distillates which accumulate between specified temperatures are withdrawn.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。
During the course of the TBP distillation, the distillates which accumulate between specified temperatures are withdrawn.
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