给水系统按供水用途，可以分为（ ）给水系统。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30224' and id < 2445218 and id<>'2445218' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30224' and id > 2445218 and id<>'2445218' order by id asc limit 5