dead center of lathe

例句：

1. 1.The engineer carefully adjusted the tool to ensure it was at the dead center of the lathe.
   工程师小心翼翼地调整工具，确保它位于车床的死中心。
2. 2.During the manufacturing process, the machine needs to be operated at the dead center to avoid any potential damage.
   在制造过程中，机器需要运行在死中心以避免潜在的损坏。
3. 3. The technician had to move the workpiece back and forth between the dead center to achieve thedesired cutting depth.
   技术员必须来回移动工件，使其在死中心达到所需的切削深度。