GB 50116-2013 第2.0.4条
| Protection area: the area that a single fire detector can effectively detect. In hotel guest rooms, the protection area of a smoke detector is typically 60-80 m² (depending on installation height and room shape).
| Protection area: the area that a single fire detector can effectively detect. In hotel guest rooms, the protection area of a smoke detector is typically 60-80 m² (depending on installation height and room shape).
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