当一个熔断器保护一只灯时，熔断器应串联在开关（）

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27219' and id < 2260273 and id<>'2260273' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27219' and id > 2260273 and id<>'2260273' order by id asc limit 5