GB 50974-2014 第13.2.6条
| **** | Fire pumps shall use self-priming (flooded) suction, and a test pipe with a DN65 test valve shall be installed on the fire pump discharge pipe. |
| **** | Fire pumps shall use self-priming (flooded) suction, and a test pipe with a DN65 test valve shall be installed on the fire pump discharge pipe. |
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