订货点和订货量都固定的库存控制系统是 ( )A.固定间隔期系统 B.最大最小系统 发布时间:2017-06-15 22:43 │ 来源:www.tikuol.com 题型:单项选择题 问题: 订货点和订货量都固定的库存控制系统是 ( )A.固定间隔期系统B.最大最小系统C.一次性订货量系统D.固定订货量系统
题型:单项选择题 Someone ____ my umbrella! It is all wet. And it was wet yesterday and the day before yesterday. [ ]A. has used B. has been using C. used D. is using 查看答案