光端机的 光器件须用APC电路：

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30264' and id < 2448302 and id<>'2448302' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30264' and id > 2448302 and id<>'2448302' order by id asc limit 5