deflection wedge

例句：

1. 1.The deflection wedge is used to adjust the angle of the beam.
   偏转楔子用于调整光束的角度。
2. 2. The deflection wedge was designed to minimize the impact on the surrounding environment.
   偏转楔子的设计旨在最小化对周围环境的影响。
3. 3.The deflection wedge was used to redirect the flow of water in the river.
   偏转楔子被用来改变河流中水流的方向。