line-use ratio

例句：

1. 1.The company's line-use ratio has been declining over the past year.
   该公司的线使用率在过去一年内一直在下降。
2. 2.The engineer calculated the line-use ratio for the new project.
   工程师计算了新项目的新线使用率。
3. 3. To improve efficiency, the company is looking into reducing its line-use ratio.
   为了提高效率，公司正在考虑减少其线使用率。