telescoped pipeline

例句：

1. 1.The engineer designed a telescoping mechanism to increase the reach of the robot's arms.
   工程师设计了一个伸缩机制，以增加机器人手臂的伸展范围。
2. 2.The telescoping tool is useful for expanding and contracting objects.
   这种伸缩工具适用于扩展和收缩物体。
3. 3. The telescoping mechanism allows the user to adjust the height of the device easily.
   这种伸缩机构使用户能够轻松地调整设备的高度。