碎石钳

例句：

1. 1.The engineer used a rock-crusher to break up the rocks.
   工程师使用碎石钳来打碎岩石。
2. 2. The construction crew needed a rock-crusher to remove the large boulders.
   建筑工人需要碎石钳来移除大石块。
3. 3.The rock-crusher was essential for the excavation project.
   碎石钳对于挖掘项目至关重要。