导体的载流量就是导体的长期发热允许电流。（  ）

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69482' and id < 4500410 and id<>'4500410' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69482' and id > 4500410 and id<>'4500410' order by id asc limit 5