Eventually hydrogen becomes fixed in traps in the metal, leading to hydrogen embrittlement.终于,氢渐渐地被固定在金属内部的“陷阱”中而导致氧脆.After irradiation, the steel will have different tendency of embrittlement.钢材经中子辐照后会产生不同程度的脆化倾向.Howeve...
多年以来表演教学一直蒙着神秘的面纱。For years the teaching of acting has been shrouded in mystery.如果我不戴面纱就会有辱门楣。It would dishonour my family if I didn't wear the veil.一位戴面纱的女士朝我友好地微笑。A veiled woman gave me a kindly smile....
Cystic fibrosis is the commonest fatal here-ditary disease.囊性纤维化是最常见的致命遗传疾病。Gall - blader disease and cystic fibrosis also often involve me.胆囊疾病和胰腺囊性纤维性变也常常纠缠我.The tie on the cystic duct may slip off.在胆囊管上的结扎可能滑脱....
为了凝结氯乙烷气体,必须使用大量的冷却水.Great quantities of cooling water must be available for condensation of the ethylchloride.简述了二氯乙烷的理化性质 、 作业标准和法规.The article describes the physico - chemical properties, operative standers and laws o...