Kullenberg piston corer

例句：

1. 1. The Kullenberg piston corer was used to drill deep into theearth.
   库尔兰伯格活塞钻机被用来深入地层进行钻孔。
2. 2. The Kullenberg piston corer is a highlyspecialized tool for extracting oil from undergroundreservoirs.
   库尔兰伯格活塞钻机是一种专门用于从地下储油层提取石油的高级工具。
3. 3. The Kullenberg piston corer was developed by a teamof engineers who were dedicated toimproving the efficiency of oil extraction operations.
   库尔兰伯格活塞钻机的研发团队致力于提高石油开采作业的效率。