因工作原因必须短时移动或拆除遮栏（围栏）、标示牌，应征得（  ）同意，并在工作负责人的监护下进行。 

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69486' and id < 4500748 and id<>'4500748' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69486' and id > 4500748 and id<>'4500748' order by id asc limit 5