camshaft timing gear hub

例句：

1. 1. Theengine's performance is directly related tothe quality of its crankshafttiming gear hub.
   发动机的性能与曲轴正时齿轮轮毂的质量直接相关。
2. 2. The manufacturerhas made significant improvements in the design ofthe crankshaft timing gear hub.
   制造商在曲轴正时齿轮轮毂的设计上取得了显著的改进。
3. 3. The crankshaft timing gear hub plays a crucialrole in ensuring the smooth operation of theengine.
   曲轴正时齿轮轮毂在确保发动机平稳运行中起着至关重要的作用。