| 释义 |
air-distributing acoustical ceiling air-distributing acoustical ceiling[′er di′strib·yəd·iŋ ə′kü·sti·kəl ′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. air-distributing acoustical ceilingA suspended acoustical ceiling in which the board, perforated metal, or tile is provided with small, evenly distributed mechanical perforations through the material; designed to provide a desired flow of air from a pressurized plenum above. |