GB 50084-2017 第7.1.4条
| | Upright and pendent extended-coverage sprinklers shall be arranged in a square layout, with spacing not exceeding the provisions of Table 7.1.4 and not less than 2.4 m. |
| | Upright and pendent extended-coverage sprinklers shall be arranged in a square layout, with spacing not exceeding the provisions of Table 7.1.4 and not less than 2.4 m. |
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