单台空调器的安装工作应由（）人或以上完成。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25784' and id < 2166027 and id<>'2166027' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25784' and id > 2166027 and id<>'2166027' order by id asc limit 5