On the expression for diamond grit size it was indicated that limitations in defining diamond grit size by mesh alone and importance of defining diamond grit size by particles per carat( PPC).是什么意思_On the expression for diamond grit size it was indicated that limitations in defining diamond grit size by mesh alone and importance of defining diamond grit size by particles per carat( PPC).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句