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冲击钻给电气安装带来了方便,得到广泛的应用,成为建筑行业中常用的工具。由于一般管线、照明器具多安装在楼层的顶板上,用冲击钻在顶板上打孔,人常常站在人字梯或其它物体上,举起冲击钻向上用力,不仅劳
Impact drills have brought convenience to electrical installation and have been widely used as tools commonly used in the construction industry. Because the general pipelines and lighting fixtures are installed on the ceiling of the floor, people use drills to drill holes in the roof. People often stand on the ladder or other objects and lift the impact drill to force upwards.