尾架主要用来安装后顶尖，以支撑较长工件，也可安装钻头、铰刀等进行孔加工。
The frame is mainly used to after installation, to support a top attractions, also can install a bit, reamer hole processing, etc.
尾架主要用来安装后顶尖，以支撑较长工件，也可安装钻头、铰刀等进行孔加工。
The frame is mainly used to after installation, to support a top attractions, also can install a bit, reamer hole processing, etc.
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