断路器可分为框架式和塑料外壳式。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27225' and id < 2260053 and id<>'2260053' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27225' and id > 2260053 and id<>'2260053' order by id asc limit 5