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![Vacuum flask - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_32.jpeg)
Vacuum flask - Wikipedia, the free encyclopedia
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日期:2024-07-24
A vacuum flask (also known as a Dewar flask, Dewar bottle or Thermos) is an
insulating storage vessel that greatly lengthens the time over which its contents ......看更多