friction disk saw

例句：

1. 1. The frictiondisk saw is used to cutthrough hard materials.
   摩擦盘锯用于切割硬质材料。
2. 2. The friction disk saw wasthe most efficient tool for cutting wood.
   摩擦盘锯是切割木材最高效的工具。
3. 3.The friction disk saw was used in theconstruction of buildings.
   摩擦盘锯在建筑施工中被使用。