Concrete screw
01
混凝土螺丝, 混凝土锚固螺丝
a type of fastener specifically designed for attaching objects to concrete or masonry surfaces
例子
You will need a drill to create a hole before inserting the concrete screw into the wall.
在将混凝土螺钉插入墙壁之前,您需要一把钻来打孔。



























