凿岩机

例句：

1. 1. The construction crew used a rock drill to break through the solid rock.
   施工队使用凿岩机来打破坚硬的岩石。
2. 2. The rock drill is essential for drilling deep into the earth's crust.
   凿岩机对于钻探地壳深处至关重要。
3. 3. The rock drilling equipment was designed to make drilling easier and more efficient.
   这种凿岩设备设计用于使钻孔更加容易和高效。