electric hammer drill

基本解释

The technology and the die design of cold extruding for the electric hammer drill is described.
介绍了电锤钻头冷挤压工艺及模具设计。
Police also found nails, a hammer, an electric drill, pieces of wood and instructions on how to build crosses inside a tent near the scene, Chung said.
警方还发现钉子，一个锤子，一个电钻，数块木头以及现场附近的帐篷内有怎样建十字架的说明，淳说。
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Excellent on Power Tools Co. , Ltd, founded in 2005, the company mainly produce cutting machine, grinder , electric drill, electric hammer and other tools.
上海颖优电动工具有限公司，成立于2005年，公司主要生产切割机，磨光机，电钻，电锤等电动工具。