jaw and toothed coupling

例句：

1. 1. The jaw and toothed coupling are essential for the proper functioning of the machine.
   颚和齿状连接件对于机器的正常运作至关重要。
2. 2. The engineer carefully assembled the jaw and toothed coupling to ensure a secure fit.
   工程师仔细组装了颚和齿状连接件，以确保牢固的安装。
3. 3.The new design incorporates a more efficient jaw and toothed coupling system, which reduces wear and extends the lifespan of the device.
   新型设计采用了更高效的颚和齿状连接系统，减少了磨损并延长了设备的使用寿命。