zero adjusting screw

例句：

1. 1.The engineer used a zero adjusting screw to adjust the gears.
   工程师使用一个零调整螺丝来调整齿轮。
2. 2. The car's engine was fixed with a zero adjusting screw.
   汽车的引擎被用一个零调整螺丝固定了。
3. 3. The technician replaced the zero adjusting screw in the door hinge.
   技术员更换了门铰链中的零调整螺丝。