[单选题]下列哪个设备不能实现双向调压( )。(每题 0.5分)（0.5）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69429' and id < 4496165 and id<>'4496165' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69429' and id > 4496165 and id<>'4496165' order by id asc limit 5