轴瓦与轴承体的接触质量要求是上瓦与瓦盖的接触面积要求大于（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='24902' and id < 2124859 and id<>'2124859' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='24902' and id > 2124859 and id<>'2124859' order by id asc limit 5