By studying the mechanism of scuffing and the analysis of the loads between the friction pairs of the impact part of the impact shearer,the author puts forward some improving measures.是什么意思_By studying the mechanism of scuffing and the analysis of the loads between the friction pairs of the impact part of the impact shearer,the author puts forward some improving measures.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句