• 2021-04-14 问题

    A grinder is a type of machining using _______ as the cutting tool.

    A grinder is a type of machining using _______ as the cutting tool.

  • 2021-04-14 问题

    There are five basic types of machine tools such as lathe or turning machine, drilling or boring machine, milling machine, shaper or planer, and grinder.

    There are five basic types of machine tools such as lathe or turning machine, drilling or boring machine, milling machine, shaper or planer, and grinder.

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