The results show that the plastic flow of the metal material nearby contact arc area towards free surface of workpiece becomes the burr under the coupling actions of the thermal and mechanics.是什么意思_The results show that the plastic flow of the metal material nearby contact arc area towards free surface of workpiece becomes the burr under the coupling actions of the thermal and mechanics.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句