operating valve body stud

例句：

1. 1. The operating valve body stud is a crucial component in the assembly process.
   操作阀体螺栓是组装过程中的关键部件。
2. 2.The technicians carefully tightened the operating valve body stud to ensure proper functioning.
   技术人员小心翼翼地拧紧操作阀体螺栓，以确保正常工作。
3. 3. The manufacturer recommends replacing the operating valve body stud after every 50,000 miles to prevent wear and tear.
   制造商建议每行驶50,000英里后更换操作阀体螺栓，以预防磨损。