GB 50261-2017 第8.0.6条
| | During acceptance, system functional tests shall be conducted, including the function of wet alarm valve assemblies, dry alarm valve assemblies, pre-action devices, deluge valve assemblies, etc. |
| | During acceptance, system functional tests shall be conducted, including the function of wet alarm valve assemblies, dry alarm valve assemblies, pre-action devices, deluge valve assemblies, etc. |
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