Punch Grinder is a tool which can be put on the surface of grinding machine for grinding punches.It can do cylindrical grinding autonatically.是什么意思_Punch Grinder is a tool which can be put on the surface of grinding machine for grinding punches.It can do cylindrical grinding autonatically.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句