题目内容
残值率是指( )时回收的残值占机械原值的百分比。
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SQL Error: select id,body,options from ***_enewstiku where sourceid='29458' and id < 2397968 and id<>'2397968' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29458' and id > 2397968 and id<>'2397968' order by id asc limit 5