... 气压真空腿；大气腿 barometric leg；barometric pipe 真空柱 vacuum column 低压真空泵 roughing pump ...
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... 真空咖啡[冲泡]器 vacuum coffee maker 真空分馏塔，真空塔 vacuum column 真空浓缩，减压浓缩 vacuum concentration ...
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... vacuum collector ==> 真空集尘器 vacuum column ==> 真空塔,真空箱 vacuum compressor ==> 真空压缩机 ...
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a vacuum column 减压塔
deep vacuum column 深减压塔
vacuum distillation column 真空蒸馏柱 ; 真空蒸馏塔
mercury column vacuum gage 水银柱真空计
vacuum fractionating distilling column 真空精蒸馏塔
column vacuum distillation 真空蒸馏塔
column vacuum 真空塔
This article takes the vacuum column equipment for an example to do the external pressed vessel machinery design by using of computer programs.
本文以真空操作塔为例，辅助计算机程序以完成外压容器的机械设计。
However, vacuum column operations present an arduous environment for efficient fractionation, which makes upgrading product from bottoms to distillate more difficult.
然而，有效馏分的提取会使减压操作处境变得困难，也使塔底物料中蒸馏出更多的产品变得更加困难。
I sketched in part of the vacuum that's forming in the traditional banking business in my Oct. 27 column, "Why big Banks hate banking."
我10月27日的专栏文章《大银行为什么恨银行业》里，我略约地填补了传统金融业造成的部分真空。
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