rotary bucket drill

例句：

1. 1. This rotary bucket drill is very efficient in drilling holes.
   这种旋转式钻桶在钻孔方面非常高效。
2. 2.The engineer used the rotary bucket drill to make a hole in the wall.
   工程师使用旋转式钻桶在墙上钻了一个洞。
3. 3. The rotary bucket drill was used to remove the old concrete slab before building a new one.
   旋转式钻桶被用来在建造新结构之前拆除旧的混凝土板。