“凿岩机”造句

这台凿岩机能钻透岩石.
This drill can bore through rock.

凿岩机是煤炭采掘不可缺少的工具.
The rock drill is indispensable for digging coal mines.

这种新式旋转凿岩机实际上是通过粉碎坚硬的岩石来开凿.
The new rotary hammer virtually smashes its way through hard materials.

• #凿岩机