critical path of underground mine construction project

例句：

1. 1.The project's critical path was calculated to ensure timely completion.
   该项目的关键路径被计算出来以确保按时完成。
2. 2. The construction of the bridge was delayed due to the critical path being longer than expected.
   桥梁的建设因关键路径比预期长而延迟。
3. 3.The project team decided to change the critical path to reduce the overall timeline.
   项目团队决定改变关键路径以减少总的时间表。