gas oila fuel oil obtained in the d**tillation of petroleum, intermediate in v**cosity and boiling point between paraffin and lubricating oils. it boils above about 250°cgas oil 指炼油厂内分馏得到的馏分,沸点范围为200~500℃。压塔蒸馏出的**油常压**油(ago)或粗柴油。一般是200~380℃馏分,用作生产航空煤油、轻柴油和重柴油。由减压塔馏出的**油称作减压**油(vgo)或蜡油,用作生产润滑油、变压器油。为了从原油中得到更多的汽油和柴油,大部分炼厂把减压**油作为催化裂化或加氢裂化的原料。为了弥补裂解原料石脑油的不足,**油也是生产烯烃的裂解原料之一,但它的乙烯收率较低,其他副产物较多.d**esel a he**y oil used as fuel instead of petrol in some engines内燃机, 柴油机, 柴油 20210311