电路如图所示，换路前已经达到稳态，则换路后电压初始值为:（） 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32672' and id < 2599053 and id<>'2599053' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32672' and id > 2599053 and id<>'2599053' order by id asc limit 5