circular saw friction cutting

例句：

1. 1.The circular saw was used to cut the wood into pieces.
   圆锯被用来把木头切成块。
2. 2. The carpenter used a circular saw to cut the wood for the table.
   木匠用圆锯来为桌子切木头。
3. 3. During construction, the circular saw was used for cutting and shaping the materials.
   在建筑过程中，圆锯用于切割和成型材料。