真空泵的排气管应放到室外或者接废气吸收装置。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30407' and id < 2458166 and id<>'2458166' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30407' and id > 2458166 and id<>'2458166' order by id asc limit 5