铁碳合金组织中，属于固溶体的是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24891' and id < 2124428 and id<>'2124428' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24891' and id > 2124428 and id<>'2124428' order by id asc limit 5