conical sliding block

例句：

1. 1.This conical sliding block is designed to fit perfectly into the slot.
   这个圆锥滑动块设计得可以完美地插入槽中。
2. 2.The engineer used a conical sliding block to adjust the angle of the machine.
   工程师使用一个圆锥滑动块来调整机器的角度。
3. 3.The conical sliding block helped to reduce friction between the two pieces of machinery.
   圆锥滑动块帮助减少了两个机械部件之间的摩擦力。