| 单词 | plenum ventilation |
| 释义 | plenum ventilationnouna system of mechanical ventilation in which fresh air is forced into the spaces to be ventilated from a chamber (plenum chamber ) at a pressure slightly higher than atmospheric pressure, so as to expel foul air. Origin of plenum ventilationFirst recorded in 1835–45 Words nearby plenum ventilationplenteous, plentiful, plenty, plenum, plenum system, plenum ventilation, pleo-, pleochroic, pleochroism, pleocytosis, pleomastia Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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