基本解释[機械工程]外圓無心磨词组短语短語external cylindrical centerless grinding machine [機]無心外圓磨牀External cylindrical centerless grinding machines 無心外圓磨牀;無心磨牀external absorbent method centerless grinding 外圓無心磨external centerless grinding更多词组专业释义機械工程外圓無心磨