短語詞組短語external centerless grinding [機]外圓無心磨External cylindrical grinding machines 外圓磨牀external grinding grinding machine 外圓磨牀external cylindrical grinding machine [機]外圓磨牀external circular grinding machine 外圓磨牀external l grinding machine 外圓磨牀external form grinding machine 外齒磨牀External cylindrical grinding 圓柱形磨棒;[機]外圓磨削external plunge grinding 磨削 返回 external grinding