表面淬火 或渗碳法应用十分广泛.The case - hardening or carburizing process is in wide use.此种损失称为淬火, 呈两个方面.This loss, termed quenching , may arise in two ways.他们的工作就是使钢淬火.Their work is to harden steel....
一伙暴徒捣毁了警察设置的路障冲进法庭。An unruly mob broke down police barricades and stormed the courtroom.暴徒用一堆堆燃烧的轮胎在大街上筑起了路障。The rioters barricaded streets with piles of blazing tyres.暴徒开始用棍棒猛打他的肩、头和胳膊。Men began to belabour his shoulder...