steep-wall mining

例句：

1. 1. The company is exploring the possibility of implementing steep-wall mining in its operations.
   该公司正在探索在其运营中实施陡峭壁面采矿的可能性。
2. 2.The steep-wall mining method has been shown to be more efficient than traditional methods.
   陡峭壁面采矿法已被证明比传统方法更高效。
3. 3.The steep-wall mining process requires careful planning and execution to ensure safety and efficiency.
   陡峭壁面采矿过程需要仔细规划和执行，以确保安全和效率。