上杆塔作业前，应先检查（）是否牢固。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25760' and id < 2165160 and id<>'2165160' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25760' and id > 2165160 and id<>'2165160' order by id asc limit 5