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 hair was disheveled, and his face was unshaven and gray.他头发凌乱，没刮胡子，脸色苍白。He looked unshaven, shabby, and down-and-out.他看上去胡子拉碴、衣衫褴褛、穷困潦倒。The man was jowly, unshaven, balding.那个男人长着双下巴，胡子拉碴，快要谢顶了。...
the murky borderland between history and myth历史与神话之间的边缘领域Having offended the emperor, he was exiled to the borderland.他因得罪了皇上, 而被流配边疆.The borderland village is picturesque.这座边寨风景如画....