diamond impregnated circular saw

例句：

1. 1. Thisdiamond-impregnated circular sawis the best tool for cutting hard materialslike stone.
   这种钻石镶嵌圆锯是切割硬材料如石头的最佳工具。
2. 2. Thediamond-impregnated circular sawwas used to cut through the concrete wall.
   钻石镶嵌圆锯被用来切开混凝土墙。
3. 3. The diamond-impregnatedcircular saw was a valuable tool in theconstruction industry.
   钻石镶嵌圆锯在建筑业中是一种宝贵的工具。