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中级监控九（选考）：区分集中火灾报警控制器的火警、联动、
中级监控九（选考）：区分集中火灾报警控制器的火警、联动、监管、屏蔽隔离和故障报警信号
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中级监控九（选考）：区分集中火灾报警控制器的火警、联动、监管、屏蔽隔离和故障报警信号
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