GB 50116-2013 第3.2.1条
| The protection area of a point-type heat detector shall not exceed 30㎡, and the protection radius shall not exceed 4.4m; when the installation height exceeds 8m, heat detectors shall be selected.
| The protection area of a point-type heat detector shall not exceed 30㎡, and the protection radius shall not exceed 4.4m; when the installation height exceeds 8m, heat detectors shall be selected.
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