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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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更新时间:2025/3/29 7:37:30