吸入气中C02浓度达20%时，机体会 出现（>

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SQL Error: select id,body,options from ***_enewstiku where sourceid='28670' and id < 2339849 and id<>'2339849' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28670' and id > 2339849 and id<>'2339849' order by id asc limit 5