electric hand drill

基本解释

A curve saw mounted on an electric hand drill is a hardware tool, and is composed of a shell, a handgrip, a transmission system, a saw blade and a base.
手电钻用曲线锯头是一种五金工具，由壳体、手柄、传动系统以及锯条和底座构成。
ip.com
A multifunction hand electric drill control using voltage negative feedback and current positive feedback, with protecting devices of current cut-off negative feedback, is proposed.
本文介绍的多功能手电钻控制器，采用电压负反馈、电流正反馈，并有电流截止负反馈的保护装置。
The hand-operated multifunction electric tool is characterized in that the small and special electric machine can be connected with the drill chuck by hand to form the hand-operated electric drill.
其特征在于微特电机可以人为与钻夹头连接，便组成了手持式电钻；
ip.com