保本点
参考答案:
是指能使企业达到保本状态时的业务量的总称。(BEP)在我国,保本点又称作盈亏临界点、盈亏平衡点、损益两平点、够本点等。
The woman asked the policeman ______.
A. where the post office is B. where the post office was C. where was the post office
合成系统设备检修时,应该对其进行()。
A、氮气置换
B、空气置换
C、水冲洗
D、氢气置换