operating cost造句

1、How to better the implementation of operating cost management?
如何可以更好的实施作业成本管理？

2、Operating cost per unit.
操作的单位成本。

3、URT is a big project with high building and operating cost and long financial period.
城市轨道交通是一项建设和运营成本高、财务周期长的巨型工程。

4、Currently operating cost income ratio is about 60%.
目前的经营成本与收入比率约为60%。

operating cost翻译