英语词汇“natural ventilation pressure”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	natural ventilation pressure
释义	natural ventilation pressure natural ventilation pressure [′nach·rəl ‚vent·əl′ā·shən ‚presh·ər] (mining engineering) A pressure difference across the shaft-bottom doors caused by a lack of balance in the two vertical air columns.
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