智能变电站系统中，数据通信网关机采用（ ）与测控装置进行通信。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29477' and id < 2398271 and id<>'2398271' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29477' and id > 2398271 and id<>'2398271' order by id asc limit 5