vacuum flask中文什么意思

vacuum flask ＝ vacuum bottle.

• vacuum:    n. (pl. vacuums, v ...
• flask:    n. 1.瓶，长颈瓶。 2.【化学】 ...
• dewar vacuum flask:    杜瓦期瓶，真空瓶

例句与用法

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1. Mixed metal items such as pots and vacuum flasks
   混合金属物品（例如煮食锅、保温瓶）
2. Inner containers of the vacuum flask . heat loss . test method
   保温瓶瓶胆保温效能测试方法
3. Inner containers of the vacuum flask . thermal shock . test method
   保温瓶瓶胆耐热急变测试方法
4. Rule for inspection of vacuum flasks for export
   出口保温瓶检验规程
5. Packing for no . 5 narrow mouthed vacuum flask
   五号小口保温瓶包装

英文释义

名词

1. flask with double walls separated by vacuum; used to maintain substances at high or low temperatures
   同义词：vacuum bottle

百科释义

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 remain hotter or cooler than the flask's surroundings. Invented by Sir James Dewar in 1892, the vacuum flask consists of two [placed one within the other and joined at the neck.