worm-and-double-roller steering gear

例句：

1. 1.The car's steering system is a crucial component of its performance.
   汽车的转向系统是其性能的关键组成部分。
2. 2. The engineer used a worm-and-double-roller to adjust the wheel alignment.
   工程师使用了一个双轴转向器来调整车轮对齐。
3. 3.The new model uses a more advanced worm-and-double-roller design for better handling and control.
   新款模型采用了更先进的双轴转向器设计，以提供更好的操控和控制。