电容式电压互感器对载波信号为( )，对工频电流为( )。（0.5）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69423' and id < 4495222 and id<>'4495222' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69423' and id > 4495222 and id<>'4495222' order by id asc limit 5