concrete power saw

例句：

1. 1. Theconcrete power saw was used to cut theconcrete slab into pieces.
   混凝土切割机被用来将混凝土板切成块。
2. 2. Theconcrete power saw is a very useful toolfor construction workers.
   混凝土切割机是建筑工人非常有用的工具。
3. 3. The concrete power saw wasused to level the ground before the buildingwas constructed.
   混凝土切割机被用来在建筑物建造之前平整地面。