杂质常常在晶粒间界偏析.Impurities tend to segregate at grain boundaries.提出了避免碳化物带状偏析的有效措施.The effective measuresare presented bo avoid zonal segregation of carbide.高碳钢连铸坯存在的最大质量问题是中心缩松、中心偏析严重.Central shrinkage porosity and segregat...
All colour fades— especially under the impact of direct sunlight.所有颜色都会褪色——尤其是在阳光直射下。As one plant fades, another comes into flower.一株植物凋谢了，另一株又会盛开。You'll need to be able to project two images onto the screen as the ...
“绿林少年”准备在此逗留5天.The Greenwood Boys will be staying for five days.刘武周自幼喜爱武术, 专好结交绿林英雄豪杰.Liu Wuzhou favorite arts at, the green wood to make good heroes.在森林里的一年, 罗宾遇见其他许多绿林大盗.During his year in the forest, Robin met many ot...