fret-sawing machine

例句：

1. 1. This fret-sawing machine is very efficient at cutting wood.
   这台锯木机在切割木材方面非常高效。
2. 2. The farmer used this fret-sawing machine to clear the forest.
   农民使用这台锯木机来清理森林。
3. 3. The fret-sawing machine was a crucial tool in the construction of the new bridge.
   这台锯木机是建造新桥的关键工具。