cylinder saw

例句：

1. 1.The carpenter used a circular saw to cut the wood.
   木匠用圆锯来切割木材。
2. 2.He bought a new circular saw for his workshop.
   他为他的车间买了一台新的圆锯。
3. 3. The carpenter used the circular saw to make the door frame.
   木匠用圆锯制作门框。