万用表的直流电压测量电路是在()的基础上组成的。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32637' and id < 2595130 and id<>'2595130' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32637' and id > 2595130 and id<>'2595130' order by id asc limit 5