造成配电变压器低压侧熔丝熔断的原因可能是()
A.变压器内部绝缘击穿
B.变压器短路
C.高压引线短路
D.低压侧开路
参考答案:B
在集成化供应链管理的第二阶段一般采用()系统进行计划和控制。
A.DRP
B.SCP
C.ERP
D.MRP
I told your friend how to get to the hotel, but perhaps I _____ have driven her there. [ ]
A. could
B. must
C. might
D. should