特殊用法amine hardener1.胺固化剂concrete hardener1.混凝土硬化剂copper hardener1.(炼铝)铜合金die block hardener1.冲模硬化剂epoxy hardener1.环氧固化剂floor hardener1.铁屑plate hardener1.平板冻结机rapid hardener (=ice cream fast hardener)1.(冰淇淋)快速冻硬间