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...
Drips of water rolled down the trousers of his uniform.他的制服裤子在不停地滴水。The rain water drips from the eaves.雨水从屋檐滴下.Rain drips from the umbrella.雨水从伞上滴答下来....
Many technical innovators have emerged from among the workers.工人当中出现了许多技术革新能手.Even willing innovators may be faced with capital constraints.甚至自愿的革新者也可能面临着资本拮据的困难.People will always laugh at new ideas. Innovators are alwa...