an especially hard, heat-resistant steel for use in lathe tools and for other applications involving high friction and wear.
[ 1925-30 ]
an especially hard, heat-resistant steel for use in lathe tools and for other applications involving high friction and wear.
[ 1925-30 ]
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012