有两种面积缺陷,即孪生和晶粒间界.Two area defects are twins and grain boundaries.杂质常常在晶粒间界偏析.Impurities tend to segregate at grain boundaries.他们对最终组织 、 晶粒尺寸和合金性能都有较大的影响.They impinge on the final structure, grain size and properties of t...
If he's only twenty - five , I'm a Dutchman!要说他只有 二十五 岁, 我才不信呢!The Dutchman began to think it was getting beyond a joke.荷兰人开始认为这事不足闹着玩儿的了.The programme opened with the overture to Wagner's Flying Dutchman....