还原蒸馏的英文：
reduction distillation
reduction是什么意思：
n. 减少；缩小；降低；简化；还原（作用）
This is a reduction procedure.
这是个简化方案。
A drive for cost reduction is announced.
宣布开展降低成本的竞赛。
The major reason for the reduction of family size is a reduction in the number of births.
家庭规模缩小的主要原因是生育子女数量的减少。
Oxidation cannot occur without reduction.
没有还原反应就没有氧化反应。
A reduction or depreciation of the entered value of an item.
已收入款项的帐面价值的减低
distillation是什么意思：
n. 蒸馏
The cool of the night distill the dew.
深夜的寒气凝成露珠。
Wine may be distilled into brandy.
葡萄酒可蒸馏成白兰地。
The liquid distils when heated.
液体被加热时会蒸馏。
The cool of the night distils the dew.
清凉的夜晚洒落露水。
purify or refine,esp by repeated distillation
净化或精炼;（尤指）分馏,精馏
