high-speed metal cuttinghigh-speedmetalcutting高速切削: high-speed cutting法: law超高速切削: superhigh speed cutting高速切削: fly-cutting; free convection; free cutting; free machining steel; free-machining; high speed cutting; high-speed cutting; high-speed metal cutting; quick-cutting高速切削钢: free cutting steel; free machining steel; free-cutting steel; quick cutting steel下载手机词典可随时随地查词查翻译
