MRP-Ⅱ是在什么的基础上发展起来的:()。
A.企业资源计划
B.办公自动化
C.MPS
D.物料需求计划
参考答案:D
The whole team were wild with joy when their captain___________top in the race.
A.came up
B.came out
C.turned up
D.went out
水蒸气对硫回收装置没有影响。