center cylinder of gear pins

例句：

1. 1. The center cylinder ofthe gear pins is crucial for thesmooth operation of the transmission.
   齿轮销的中心圆柱对于传动装置的顺畅运行至关重要。
2. 2. Theengineer carefully inspected the center cylinder ofthe gear pins to ensure they werefunctioning properly.
   工程师仔细检查了齿轮销的中心圆柱，以确保它们正常工作。
3. 3. The centercylinder of the gear pins was damagedduring the accident, which caused a significantdelay in the repair process.
   在事故中，齿轮销的中心圆柱受损，这导致修理过程严重延误。