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.However, embrittlement occurs in some metals at elevated temperatures and pressures.但是, 当温度和压力升高时,某些金属...
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...
“圣诞节以来物价降了4成，”他悲叹道。"Prices are down 40 per cent since Christmas," he lamented.年初以来，物价已经上涨了21%。Prices have climbed by 21% since the beginning of the year.明年物价一定会上涨。There are bound to be price increases next year....
He just scowled at Mammy and passed it over.他只是对嬷嬷皱了皱眉头,就不再理会了.Soon Mammy would be with her -- Ellen's Mammy , her Mammy.骑马上就要到她这里来了 ---- 爱伦的嬷嬷, 思嘉自己的嬷嬷." Mammy, I want you to tell me about Mother." 嬷嬷, 我要你谈谈母亲的情况....