SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69313' and id < 4487528 and id<>'4487528' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69313' and id > 4487528 and id<>'4487528' order by id asc limit 5
分别串联R,L,C关于相量形式关系式描述正确的是（ ）。
