The solution is degassed by alternately freezing, evacuating and thawing.

通过交替的冻结 、 抽空和溶化来使溶液除气.

辞典例句

Fire Emergency lighting is crucial in evacuating fire happens.

消防应急照明是人员在突发事故情况下安全疏散的重要保证.

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Most impressive. We could use your help evacuating the station.

太令人难忘了. 我们能让你帮助太空站人员撤离.

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Suppliers remark that the entire process of injecting and evacuating water takes just a few seconds.

供应商说这样排水仅仅需要几秒钟.

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Our night was disturbed by a fire alarm that necessitated everyone evacuating to the car park.

有一天火灾警报响起,大家都疏散到了停车场.

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