steering gear housing

例句：

1. 1. The car's steering gear housing is damaged, which affects the driving experience.
   汽车的转向齿轮箱损坏，影响驾驶体验。
2. 2. The mechanic replaced the steering gear housing with a new one.
   机械师用一个新的转向齿轮箱替换了旧的。
3. 3. The steering gear housing is an essential part of the car's engine system.
   转向齿轮箱是汽车发动机系统的一个关键部分。