hardening steel

英 美
  • 淬硬钢
  • hardening n.硬化法(增加硬度;淬火;渗碳;锻炼)动词harden的现在分词形式.
  • steel n.钢铁;钢制品;钢铁般的性质vt.使坚强;使...硬如钢;使下定决心adj.钢的;坚强的
    1. The tip of the screw driver has been made of hardened steel which has been ground to provide a long life and a precise carburettor set-up.
      尖端的螺丝刀已经取得了淬硬钢已地面提供一个长期的生活和一个确切的化油器的设立。