()是登杆作业时必备的保护用具，无论用登高板或脚扣都要用其配合使用。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27282' and id < 2260609 and id<>'2260609' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27282' and id > 2260609 and id<>'2260609' order by id asc limit 5