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