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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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更新时间:2025/2/7 21:02:31