导体长期发热最高允许温度为(    )。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69524' and id < 4504241 and id<>'4504241' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69524' and id > 4504241 and id<>'4504241' order by id asc limit 5