concentric orifice plate

例句：

1. 1.The concentric orifice plate is used to control the flow of oil in the engine.
   同心圆孔板用于控制发动机内油的流动。
2. 2. The concentric orifice plate is a crucial component in the design of an air filter.
   同心圆孔板是空气过滤器设计中的关键部件。
3. 3.The concentric orifice plate is used to create a smooth transition between two different materials.
   同心圆孔板用于在两种不同材料之间创造平滑过渡。