广告施工中经常会使用挂梯，宽度不宜过宽，也不宜过窄，宽度选择不合理的是 ()mm0

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='25784' and id < 2166101 and id<>'2166101' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25784' and id > 2166101 and id<>'2166101' order by id asc limit 5