髙频感应加热表面淬火，淬硬层深度与（ ）有关。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24890' and id < 2124365 and id<>'2124365' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24890' and id > 2124365 and id<>'2124365' order by id asc limit 5