bottom hole sampler

例句：

1. 1. Thebottom hole sampler is used to collectsamples from the bottom of the well.
   底部取样器用于从井底采集样本。
2. 2. Thebottom hole sampler was designed to helpus understand the geological structure of thearea.
   底部取样器被设计出来帮助我们理解该地区的地质结构。
3. 3. The bottomhole sampler was acritical tool in the exploration process.
   底部取样器是勘探过程中的关键工具。