gear checking instruments

例句：

1. 1. The engineer used a gear checking instrument to diagnose the problem.
   工程师使用一个齿轮检查仪器来诊断问题。
2. 2.The technician was tasked with inspecting the gears for any damage.
   技术人员被指派检查齿轮是否有损坏。
3. 3. The maintenance crew conducted a thorough gear checking to ensure smooth operation.
   维护团队进行了彻底的齿轮检查，以确保设备运行顺畅。