float oil layer sampler

例句：

1. 1. The engineer used a float oil layer sampler to collect samples from the well.
   工程师使用浮油层取样器从井中采集样本。
2. 2. The float oil layer sampler was essential for the oil exploration team.
   浮油层取样器对于石油勘探团队来说是必不可少的。
3. 3. The float oil layer sampler helped us to understand the distribution of oil in the reservoir.
   浮油层取样器帮助我们了解了储层中的油分布情况。