Q／GDW441—2010规定任两台IED之间的数据传输路由不应超过（   ）台交换机。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='55173' and id < 3483432 and id<>'3483432' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='55173' and id > 3483432 and id<>'3483432' order by id asc limit 5