The truing and sharpening methods of CBN wheels are summarized.综合评述了CBN砂轮的整形和修锐方法,分析了各种方法的特点和应用.The contradictions are sharpening.矛盾正在加剧.Band saw blunt files are for sharpening band saw blades having rounded gullets.主要是为...
His comrades asked him if he was hurt...战友问他是否受伤了。...the fraternal assistance of our colleagues and comrades...同事和朋友们对我们兄弟般的帮助Unlike so many of his comrades he survived the war.和许多战友不同，他在战争中幸存下来。This book I inscribe to m...