friction saw machine

例句：

1. 1.The friction saw machine is used to cut through tough materials.
   摩擦锯机用于切割坚硬的材料。
2. 2. The engineer had to use the friction saw machine to remove the old paint from the walls.
   工程师不得不使用摩擦锯机来去除墙上的旧漆。
3. 3.The friction saw machine was a valuable tool in the construction industry.
   摩擦锯机是建筑行业中的一种宝贵工具。