mine yard plan

例句：

1. 1. The engineer drew adetailed mine yard plan for the construction.
   工程师为建设绘制了详细的矿井平面图。
2. 2.The mine yard plan was crucial for thesafe operation of the mine.
   矿井平面图对于矿井的安全运行至关重要。
3. 3. Themine yard plan was updatedto accommodate the new mining technology.
   矿井平面图已更新以适应新的采矿技术。