工作票制度规定，需要变更工作班成员时，应经（  ）同意。 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69486' and id < 4500735 and id<>'4500735' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69486' and id > 4500735 and id<>'4500735' order by id asc limit 5