短語(yǔ)詞組短語(yǔ)vacuum flask distillation 真空快速蒸餾;真空一次揮發(fā)蒸餾Vacuum packed distillation column 真空填料精餾塔vacuum refinery distillation 減壓精餾vacuum residue distillation system 減壓渣油系統(tǒng)vacuum steam distillation 真空蒸汽蒸餾vacuum flash distillation 真空閃蒸vacuum m distillation 真空蒸餾vacuum membrane distillation 真空膜蒸餾;減壓膜蒸餾;膜蒸餾;採(cǎi)用減壓膜蒸餾vacuum fractional distillation 真空精餾分離 返回 vacuum distillation