nozzle base drag

例句：

1. 1. The nozzle base drag is a critical factor in determining the efficiency of the spray system.
   喷嘴基部阻力是决定喷雾系统效率的关键因素。
2. 2. The engineers were tasked with reducing the nozzle base drag to improve fuel efficiency.
   工程师被分配任务以降低喷嘴基部阻力以提高燃油效率。
3. 3. In this study, we investigated the effect of different nozzle designs on the base drag of the spray.
   在这项研究中，我们研究了不同喷嘴设计对喷雾基部阻力的影响。