效率工

例句：

1. 1. The efficiencyworker is responsible for maintaining the machinery.
   效率工人负责维护机器。
2. 2. The company has hiredseveral efficiency workers to improve productivity.
   公司已经雇佣了几位效率工人以提高生产力。
3. 3. Theefficiency worker was praised for his excellentwork ethic.
   这位效率工人因其出色的工作态度而受到赞扬。