GB 50370-2005 第3.3.2条
| **** | **Discharge time**: The discharge time of the IG541 fire extinguishing system shall not exceed 60s and shall not be less than 48s. |
| **** | **Discharge time**: The discharge time of the IG541 fire extinguishing system shall not exceed 60s and shall not be less than 48s. |
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