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）
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This is a reduction procedure.
这是个简化方案。
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A drive for cost reduction is announced.
宣布开展降低成本的竞赛。
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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。
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Oxidation cannot occur without reduction.
没有还原反应就没有氧化反应。
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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
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The cool of the night distill the dew.
深夜的寒气凝成露珠。
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Wine may be distilled into brandy.
葡萄酒可蒸馏成白兰地。
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The liquid distils when heated.
液体被加热时会蒸馏。
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The cool of the night distils the dew.
清凉的夜晚洒落露水。
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purify or refine,esp by repeated distillation
净化或精炼;（尤指）分馏,精馏
