Based on the characteristics of ultrahigh speed grinding, the general selection principle of abrasives, binders, hardness, concentration and structure of ultrahigh speed CBN wheels is discussed.是什么意思_Based on the characteristics of ultrahigh speed grinding, the general selection principle of abrasives, binders, hardness, concentration and structure of ultrahigh speed CBN wheels is discussed.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句