crown wheel core

例句：

1. 1. The crown wheel core is crucial for the stability of the machine.
   皇冠轮芯对于机器的稳定性至关重要。
2. 2. The engineer used a special tool to remove the crown wheel core.
   工程师使用一种特殊的工具来移除皇冠轮芯。
3. 3. The crown wheel core was designed to reduce vibration and noise during operation.
   皇冠轮芯的设计旨在减少操作过程中的振动和噪音。