补体C3水平低下时，机体最易患的疾病是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32357' and id < 2571723 and id<>'2571723' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32357' and id > 2571723 and id<>'2571723' order by id asc limit 5