经济订货批量模型适用于______的储存问题。
参考答案:(整批间隔进货、不允许缺货)
大宗工业电价中的电度电价代表电力企业的容量成本。()
—I can not use the new mobile phone. Could you please show me_______.
—Sure.
A. what to do that
B.how to do it
C.how to do
D.what to do it