已知t=0时合上开关K,换路后的电容电压为（）。 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32672' and id < 2598917 and id<>'2598917' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32672' and id > 2598917 and id<>'2598917' order by id asc limit 5