pneumatic core breaker

例句：

1. 1.The pneumatic core breaker is an essential tool for drilling in hard rock formations.
   气动核心破岩机是钻探硬岩石层时不可或缺的工具。
2. 2.The engineer used the pneumatic core breaker to quickly clear a large block of rock from the tunnel.
   工程师使用气动核心破岩机迅速清除了隧道中一块大岩石。
3. 3. During construction, the pneumatic core breaker was frequently used to remove unstable rocks and debris.
   在施工过程中，气动核心破岩机经常被用来移除不稳定的岩石和碎片。