boss bearing of pulley

例句：

1. 1.The engineer designed the new machine with a precise boss bearing of pulley.
   工程师设计了这台新机器，其精确的滑轮轴承设计。
2. 2. During the construction, the team worked closely to ensure the boss bearing of pulley was installed correctly.
   在施工过程中，团队密切合作，确保滑轮轴承安装正确无误。
3. 3. The boss bearing of pulley is crucial for maintaining the smooth operation of the machinery.
   滑轮轴承对于保持机械顺畅运行至关重要。