top bearing shaft nut

例句：

1. 1. The engineers carefully installed thetop bearing shaft nut to ensure smoothoperation of the machine.
   工程师们小心翼翼地安装顶轴承轴套，以确保机器的顺畅运行。
2. 2. During maintenance, the technician replaced thetop bearing shaft nut to prevent anypotential damage.
   在维护过程中，技术人员更换了顶轴承轴套，以防止潜在的损坏。
3. 3. Thetop bearing shaft nut was designedto withstand high temperatures and pressure,making it a crucial component in many industrialapplications.
   顶轴承轴套被设计成能够承受高温和高压，因此在许多工业应用中都至关重要。