GB 50370-2005 第3.1.9条
| **** | **Opening closure**: Openings in the protected area (such as doors, windows, and pipe wall penetrations) shall be capable of automatic closure before the extinguishing agent is discharged. |
| **** | **Opening closure**: Openings in the protected area (such as doors, windows, and pipe wall penetrations) shall be capable of automatic closure before the extinguishing agent is discharged. |
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