worm gear drive

例句：

1. 1.The new car uses a worm geardrive system to improve its efficiency.
   这款新车采用了蜗轮蜗杆传动系统来提高其效率。
2. 2. The old machine had aworm gear drive that was difficult to repair.
   旧机器有一个难以修理的蜗轮蜗杆传动装置。
3. 3. The engineer designed aworm gear drive for the new roboticarm.
   工程师为新机器人臂设计了一个蜗轮蜗杆传动装置。