A new method and device for grinding the outer round are introduced, it makje use of the cup shape end surface of a grinding wheel to grind the outer round.是什么意思_A new method and device for grinding the outer round are introduced, it makje use of the cup shape end surface of a grinding wheel to grind the outer round.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句