问答题

MRP系统中，产品结构文件一般包括（）

A.产品结构树
B.物料单
C.采购订单
D.生产指令

你可能感兴趣的试题

单项选择题

Patrick ( ) to start a business of his own, but he never had enough money.

A.would
B.has
C.had
D.should

单项选择题

Are you sure ( ) his coming

A.in
B.from
C.for
D.about