下列哪种介质同其他介质相比，具有在击穿后完全的绝缘自恢复特性?(    )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69522' and id < 4504092 and id<>'4504092' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69522' and id > 4504092 and id<>'4504092' order by id asc limit 5