drop guide funnel

例句：

1. 1. The engineer designed a drop guide funnel to direct the water from the reservoir into the irrigation system.
   工程师设计了一个漏斗引导管，将水库的水引向灌溉系统。
2. 2.The scientist used a drop guide funnel to collect samples for further analysis.
   科学家使用一个漏斗引导管来收集样本以便进一步分析。
3. 3. The construction crew installed a drop guide funnel to ensure the proper flow of materials during the assembly process.
   施工队安装了一个漏斗引导管，以确保在组装过程中材料的正确流动。