fractional distillation〔名词〕分馏详细»
fractional distillation〔名词〕精馏详细»
fractional distillation〔名词〕分馏详细»
精馏〔名词〕fractional distillation,fractional-distillation详细»
精馏distillation;fractional dictillation;fractionating;rectification;rectify;redistill;refinery distillation详细»