单词 | air-distributing acoustical ceiling |
释义 | air-distributing acoustical ceiling [`er di`strib·yǝd·iŋ ǝ`kü·sti·kǝl `sēl·iŋ] BUILDING CONSTRUCTION A suspended acoustical ceiling in which the board or tile is provided with small, evenly distributed mechanical perforations; designed to provide a desired flow of air from a pressurized plenum above. |
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