adjuster pinion holder screw

例句：

1. 1.The adjuster on the car's steering wheel helps to keep the wheels straight.
   汽车方向盘上的调整器有助于保持车轮直行。
2. 2.The engineer used a pinion holder to adjust the gears of the machine.
   工程师使用一个螺旋杆固定螺丝来调整机器的齿轮。
3. 3. The screws holding the frame together were tightened to ensure stability.
   将框架连接在一起的螺丝被拧紧以确保稳定性。