合成蒸汽汽缸油
synthetic steam cylinder oil
减压水蒸汽汽提
steam vacuum distillation
燃汽蒸汽式发射装置
gas and steam launching device
水蒸汽蒸馏
water vapor distillation
steam distillation
water vapour distillation
distilled by vapor
steam distillation SD
steam distillization
Stream distillation
volatile compounds
essential oil
SD
微波辅助水蒸汽蒸馏
microwave assisted hydro-distillation MAHD