pneumatic piston actuator

例句：

1. 1.The pneumatic piston actuator is used to control the movement of a robot arm.
   气动活塞执行器用于控制机器人手臂的运动。
2. 2. The pneumatic piston actuator is an essential component in many industrial applications.
   气动活塞执行器是许多工业应用中必不可少的组成部分。
3. 3.The pneumatic piston actuator was developed to improve the efficiency of the manufacturing process.
   气动活塞执行器的开发是为了提高制造过程的效率。