rocker-arm shaper

例句：

1. 1. This rocker-arm shaper is perfect for shaping the corners of your furniture.
   这个摇臂成形器非常适合家具角落的塑形。
2. 2.The rocker-arm shaper has been a popular tool in furniture making for many years.
   摇臂成形器多年来一直是家具制作中非常受欢迎的工具。
3. 3. The engineer used the rocker-arm shaper to create a smooth surface on the table top.
   工程师使用摇臂成形器在桌面表面创造出平滑的表面。