GB 50370-2005 第3.1.5条
| **** | **Protected zone area and volume**: When a piped extinguishing system is used, the area of a single protected zone should not exceed 800 ㎡ and the volume should not exceed 3600 m³; when a pre-engineered extinguishing system is used, the area should not exceed 500 ㎡ and the volume should not exceed 1600 m³. |