camshaft timing gear

例句：

1. 1. The engine's performance is directlyrelated to the quality of the camshaft timing gear.
   发动机的性能与曲轴正时齿轮的质量直接相关。
2. 2. The technicians were able to replace the faultycamshaft timing gear without anyissues.
   技术人员能够顺利更换出故障的曲轴正时齿轮，没有遇到任何问题。
3. 3. The newdesign of the camshaft timing gear has significantly improved theefficiency of the engine.
   新型曲轴正时齿轮的设计显著提高了发动机的效率。