脚手板搭接铺设时，接头必须支在横向水平杆上，搭接长度应大于（    ）ｍｍ。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='64541' and id < 4113119 and id<>'4113119' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='64541' and id > 4113119 and id<>'4113119' order by id asc limit 5