eccentric sheave set

例句：

1. 1. The eccentric sheave setin the machine is causing problems.
   机器中的偏心轮组造成了问题。
2. 2. The engineer hadto replace the eccentric sheaveset due to wear and tear.
   由于磨损，工程师不得不更换偏心轮组。
3. 3. Theeccentric sheave set was designedto improve efficiency in the machinery.
   偏心轮组的设计旨在提高机械效率。