GB 50974-2014 第7.4.10条
| **** | The opening angle of the fire hydrant cabinet door shall not be less than 120°; the center of the hydrant outlet should be 1.1 m above the floor. |
| **** | The opening angle of the fire hydrant cabinet door shall not be less than 120°; the center of the hydrant outlet should be 1.1 m above the floor. |
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