hardenern.硬化剂hardenv.(使)变硬；(使)坚强hardenability index淬透性指数hardening by hammer锤击硬化hardening quenching猝火, 淬硬hardened wire steel硬线钢hardening of grease润滑脂的硬化hardened caoutchome硬生橡胶hardened throughout完全淬硬的hardener for primer底漆固化剂hardening treatment硬化处理hardened layer wood硬化层积材