表面淬火 或渗碳法应用十分广泛.The case - hardening or carburizing process is in wide use.在飞机制造中,渗碳法比其它方法用得更普遍.Casehardening is used more than the other methods in aircraft work.恰当的渗碳扩散与预冷保温是提高疲劳寿命的有效措施.Appropriate carbon - diffusion a...
a lecherous good-for-nothing好色又无用的人...lecherous old men offering sweets at the school gate.在学校门口分发糖果的老色鬼们a lecherous gleam in his eye他眼中闪现一丝欲火I am a good guy! Then who is the most lecherous emperor in the history?我是个好男人!...