threshold worker

例句：

1. 1.The threshold worker is responsible for monitoring the quality of raw materials.
   门槛工人负责监控原材料的质量。
2. 2. The threshold worker must be trained to handle complex tasks.
   门槛工人必须接受培训以处理复杂的任务。
3. 3. The threshold worker has a crucial role in ensuring the safety and efficiency of the production process.
   门槛工人在确保生产过程的安全和效率方面起着至关重要的作用。