库存有甲、乙、丙三种货物，数量比为7:6:5。按照2:2:1的比例售出了总量一半， 则此时剩余货物的数量比为

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31378' and id < 2516744 and id<>'2516744' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31378' and id > 2516744 and id<>'2516744' order by id asc limit 5