影响固体介质击穿电压的因素(  ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69489' and id < 4501330 and id<>'4501330' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69489' and id > 4501330 and id<>'4501330' order by id asc limit 5