真空蒸馏
/ˈvakjuːˌəʊl/
n
English: vacuum distillation · 真空蒸馏
English · vacuum distillationEspañol · unidad de destilación al vacíoFrançais · distillation sous vide
释义：Treatment that is used to separate out heavy residues at the bottom of the tower at low boiling temperatures.