滚动轴承采用冷装时，轴颈冷却温度一般不超过（ ）°C。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24903' and id < 2124906 and id<>'2124906' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24903' and id > 2124906 and id<>'2124906' order by id asc limit 5