Heat treatment: Heat treat the casting by nomalizing, annealing, quench+tempering, induction quenching, case hardening and Nitriding per material spec.是什么意思_Heat treatment: Heat treat the casting by nomalizing, annealing, quench+tempering, induction quenching, case hardening and Nitriding per material spec.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句