仅有劳动要素(L)可变的短期生产中,当MPL=APL的时候,有(    )｡

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='1780' and id < 114399 and id<>'114399' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='1780' and id > 114399 and id<>'114399' order by id asc limit 5