Rotary hammer
01
旋转锤, 冲击钻
a powerful handheld tool primarily used for drilling into hard materials such as concrete, stone, or masonry, featuring a rotating drill bit and a hammering mechanism that delivers rapid impacts to aid in the drilling process
语法信息
有生性状态
无生命
形态构成
复合词
可数
复数形式
rotary hammers
例子
The contractor used a rotary hammer to drill through the thick concrete wall.
承包商使用旋转锤钻穿了厚厚的混凝土墙。
