| 词汇 | Dewar vessel |
| 释义 | Dewar vessel /`djuɚ/ /`dɪuɚ/ n. Container which keeps its contents at a constant and generally low temperature by means of two external walls between which a vacuum is maintained. 杜而瓶(利用真空夹层保持稳定低温的容器)。 |
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