减压蒸馏 meaning in Chinese

distillation under reduced pressure
reduced pressure distillation
vacuum distillation

Petroleum products - determination of distillation at reduced pressure
石油产品减压蒸馏测定法
Atmospheric distillation vacuum distillation
常压蒸馏和减压蒸馏
Test method for distillation of petroleum products at reduced pressures
石油产品减压蒸馏试验方法
Standard test method for distillation of petroleum products at reduced pressure
石油产品减压蒸馏标准试验方法
Atmospheric and vacuum distillation
常减压蒸馏

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