single-frame power hammer

例句：

1. 1.This single-frame power hammer is perfect for drilling through thick concrete.
   这台单框动力锤非常适合钻透厚混凝土。
2. 2. The engineer used the single-frame power hammer to level the floor before painting.
   工程师使用单框动力锤在涂漆前平整地板。
3. 3.The construction workers were using a single-frame power hammer to remove the old paint from the walls.
   建筑工人正在使用单框动力锤去除墙上的旧油漆。