“Dewar flask”的概念、定义、翻译、参考文献-科学参考

单词	Dewar flask
释义	Dewar flask [`dü·ǝr ´flask] ^PHYSICS A vessel having double walls, the space between being evacuated to prevent the transfer of heat and the surfaces facing the vacuum being heat-reflective; used to hold liquid gases and to study low- temperature phenomena.
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