iron-ore road surface

例句：

1. 1. Theconstruction of the new highway was completed in record time.
   这条新高速公路的建设在预定时间内完成。
2. 2. The iron ore road surface is a crucial part of the mining process.
   铁矿石道路表面是采矿过程的关键部分。
3. 3.The engineers carefully designed the iron ore road surface to ensure safety and efficiency.
   工程师们仔细设计了铁矿石道路表面，以确保安全和效率。