eye of a volute

例句：

1. 1. The engineerdesigned the new machine with an eye forefficiency.
   这位工程师设计新机器时非常注重效率。
2. 2. The car's engine is poweredby a volute that turns at highspeeds.
   这辆车的引擎由一个在高速旋转的蜗轮驱动。
3. 3. The volute on the gearbox helps to reducefriction and improve performance.
   齿轮箱上的蜗轮有助于减少摩擦并提高性能。