为降低空载线路电容电流，抑制工频电压的升高，可采用(    )。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69507' and id < 4502783 and id<>'4502783' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69507' and id > 4502783 and id<>'4502783' order by id asc limit 5