pinion shaped cutter

例句：

1. 1. This pinion-shaped cutter is perfect for cutting curves in wood.
   这个偏心形状的切割器非常适合在木头上切出曲线。
2. 2. The engineer used a pinion-shaped cutter to remove the old paint from the walls.
   工程师使用了一个偏心形状的切割器来去除墙上的旧油漆。
3. 3. The pinion-shaped cutter was the only tool available that could handle the heavy duty job.
   这个偏心形状的切割器是唯一能够处理这项重活的工具。