supervisory gear

例句：

1. 1.The supervisory gear is designed to monitor the production process.
   监督设备旨在监控生产过程。
2. 2. The company uses supervisory gear to ensure safety in its factories.
   该公司使用监督设备来确保其工厂的安全。
3. 3. The supervisory gear helps to improve efficiency and productivity.
   监督设备有助于提高效率和生产力。