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| 单词 | cavity walls |
| 释义 | cavity /kavˈi-ti/noun
ORIGIN: L cavitās, from cavus hollow cavˈitate intransitive verb To form hollows cavitāˈtion noun
cavˈitied adjective cavity radiation noun (physics) The radiation emerging from a small hole leading from a constant temperature enclosure cavity wall noun A wall consisting of two layers with an air-space between (this space often later filled in with insulating material to provide energy-conserving cavity-wallˈ insulation ). |
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