每段母线配置合并单元，母线电压由母线电压合并单元通过（ ）方式与线路电压合并单元转接。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='29475' and id < 2398403 and id<>'2398403' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29475' and id > 2398403 and id<>'2398403' order by id asc limit 5