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...
成功无法保证，并非唾手可得。成功必须靠自己去争取。Success is not guaranteed. It is not handed to you. Success is earned.他懊悔地坐在靠窗的椅子上。He sat penitently in his chair by the window.他靠每周领取的作为病残养老金的直接转账救济支票过日子。He lived on an invalidity pension which ...
In amphibole asbestos the constiuent atoms are arranged in chain - like conformation.在闪石类石棉中,组成的原子呈链状排列.Precise design of complete machine, compact conformation, handiness and simplicity.整机设计精致, 结构紧凑, 操作方便简洁.Like light m...
土著人以前总是用沉重的石头把这种金属锤打成箭头.The natives used to hammer the metal into arrowheads using heavy stones.来访者用拳头使劲地锤打着大门.The visitor hammered against the door with his fists.我们用铁锤锤打金属.We hammer metal with a hammer....