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当前学科:第十三章火灾自动报警系统
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根据《火灾报警控制器》(GB4717-2005)技术标准,对来自火灾探测器的火灾报警信号可设置报警延时,其最大延时不应超过()
A . 120s
B . 150s
C . 60s
D . 90s
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