Unverified87% confidenceDecision RuleTime unknown
探测角度与安装方式需匹配：吸顶式一般为360度但探测半径较小（约5-6m），壁挂式为水平110-120度扇形但纵深可达8-12m，长走廊选壁挂、开阔房间中心选吸顶
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87%
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Long-term
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