| 释义 |
ceiling outlet ceiling diffuser, ceiling outlet1.Any air diffuser (usually round, square, rectangular, or linear) which is located in the ceiling; used to provide a horizontal distribution pattern of air over a zone occupied by people.
ceiling outlet1.A ceiling diffuser. 2. A small metal box, mounted at ceiling level, in which electric conductors terminate; used to support a lighting fixture or other ceiling-mounted electric appliance. |