管理者可以在()方面考虑消除瓶颈问题。
A.富余能力的处置
B.服务运作真正的效率取决于高峰期的服务运作
C.通过细分流程可以使流程流动更加通畅有序
参考答案:A, B, C
Your teacher ________ very angry at that moment because you talked back to her like that.
A.should have been
B.must have been
C.must be
D.might have been
甲烷传感器的悬挂有什么要求?