quenching with subsequent tempering

英 [ˈkwentʃɪŋ wɪð ˈsʌbsɪkwənt ˈtempərɪŋ] 美 [ˈkwentʃɪŋ wɪð ˈsʌbsɪkwənt ˈtempərɪŋ]
quenching with subsequent tempering
【机】调质处理