steering gear reduction ratio

例句：

1. 1. The car's steering gear reduction ratio is crucial for safe driving.
   汽车的转向齿轮减速比例对于安全驾驶至关重要。
2. 2. The engineer adjusted the gear ratio to optimize performance.
   工程师调整了齿轮比例以优化性能。
3. 3. The new transmission system has a higher gear ratio, making it more efficient.
   新的传动系统具有更高的齿轮比例，使其更高效。