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1·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。

2·Our company mainly specialized in: electric hammer, electric drill, Angle grinder, electric-ho, rechargeable electric drill series.

本公司主要经营：电锤，电钻，角磨机，电镐，充电式电钻系列。

3·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。

4·And the main products we manufacturing are: electric hammer, electric drill, wall hole saw, metal hole saw, woodworker hole saw, cemented carbide drill etc.

公司生产的主要产品有：电锤电钻墙璧开孔器，金属开孔器，木工开孔器，硬质合金钻头等系列。

5·And telephone, electric light, steam hammer and other inventions started to appear on exhibitions.

电话、电灯、蒸汽锤等新发明，都是最先在展会上与世人见面。

6·She gave one a sledgehammer and a large chisel, one a hammer and smaller chisel, and the other an electric saw.

她递给一个观众一把大锤和一把大凿子，又递给另一个观众一把小锤和一把小凿子，再递给第三个观众一把电锯。

7·Our main products are electric drill, marble cutter, angle grinder, rotary hammer, pipe dredger, etc.

主要产品有手电钻、石材切割机、角向磨光机、电锤、管道疏通器等。