英语词汇“vacuum heating”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	vacuum heating
释义	vacuum heating vacuum heating [′vak·yəm ′hēd·iŋ] (mechanical engineering) A two-pipe steam heating system in which a vacuum pump is used to maintain a suction in the return piping, thus creating a positive return flow of air and condensate.
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