释义 |
air grating air grating[′er ‚grād·iŋ] (building construction) A fixed metal grille on the exterior of a building through which air is brought into or discharged from the building for purposes of ventilation. air grating1. A fixed metal grille on the exterior of a building through which air is brought into, or discharged from, the building for purposes of ventilation. 2. An air diffuser. |