金属性短路时的测量阻抗（  ）有关。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69478' and id < 4500794 and id<>'4500794' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69478' and id > 4500794 and id<>'4500794' order by id asc limit 5