对于球形粉尘来说,其分散度增大,比表面积()。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='33606' and id < 2683920 and id<>'2683920' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='33606' and id > 2683920 and id<>'2683920' order by id asc limit 5