While pulling out the drill, crossbeams (metal structures on which insulators and conductors are mounted) are attached to a new support.
当拉出钻头时，横梁(上面缠有绝缘体和导体的金属结构)将它架起，形成一个新的支架。
A common system is a drill unit that can be either vertically or axially mounted.
常用的是一个钻加工设备，既可以垂直安装也可以轴向安装。
Hand crank can be mounted on either side of the drill stand.
手动曲柄可安装在钻台的任何一侧。
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。
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。
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