呼吸机管道更换的时间为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30940' and id < 2490534 and id<>'2490534' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30940' and id > 2490534 and id<>'2490534' order by id asc limit 5