screw adjustment

• 螺钉调整

screw adjustment的用法和样例：

例句

1. Rocker was suspended in the rocker shaft support, and can also adjust the rotation arm positioning screw head into the water sprinklers to control the depth of speed.
   摇臂是悬支在摇臂轴上的，还可以转动调位螺钉调整摇臂头部的入水深度来控制喷头转速。