reverse gear shifter shaft

例句：

1. 1. Thecar's engine has a reverse gear shifter shaft that allows the driver to reverse without using the clutch pedal.
   这辆车的引擎有一个倒档齿轮轴，允许驾驶员在不使用离合器踏板的情况下进行倒车。
2. 2. During the test drive, the technician carefully checked the reverse gear shifter shaft to ensure it was functioning properly.
   在试驾过程中，技术人员仔细检查了倒档齿轮轴，确保其正常工作。
3. 3. After changing the oil, the mechanic replaced the old reverse gear shifter shaftwith a new one to prevent future issues.
   更换机油后，机械师用一个新的倒档齿轮轴替换了旧的，以防止将来出现问题。