meshing bevel gear

例句：

1. 1.The engineer designed a meshing gear to improve the machine's efficiency.
   工程师设计了一个啮合齿轮来提高机器的效率。
2. 2.The meshing of the gears creates a smooth and efficient motion.
   齿轮的啮合创造了平滑而高效的运动。
3. 3. The meshing of the gears is essential for the machine's operation.
   齿轮的啮合对于机器的操作是必要的。