hydraulic core extractor

例句：

1. 1.This hydraulic core extractor is designed to remove the cores from the drilled holes in a rock formation.
   这种液压芯棒提取器被设计用来从岩石构造中钻出的孔里取出芯。
2. 2. The engineer used the hydraulic core extractor to remove the damaged cores from the well.
   工程师使用这个液压芯棒提取器来从井中取出损坏的芯。
3. 3.During the construction of the new tunnel, the hydraulic core extractor was crucial in removing the old cores and preparing the area for new work.
   在新建隧道的建设过程中，液压芯棒提取器对于移除旧的芯和为新工作做准备至关重要。