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plenum ventilation
释义
WordReference Random House Unabridged Dictionary of American English © 2024
ple
′
num ventila′tion,
Building
a system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (
ple
′
num cham′ber
) at a pressure slightly higher than atmospheric pressure, so as to expel foul air.
1835–45
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更新时间:2025/12/10 5:30:33