沥青混合料分为密级配、半开级配以及开级配，这样划分的依据是（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='26169' and id < 2192879 and id<>'2192879' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='26169' and id > 2192879 and id<>'2192879' order by id asc limit 5