研究了渗铝包子桶的组织结构及其性能.Structure and performance of aluminum impregnation to steel _ container are studied.阐述了碳钢渗铝钢管存在的焊接问题,并提出了新的焊接方法.Welding problem are mentioned. And new welding is proposed.采用固体粉末包埋渗铝法,在K438高温合金表面制备渗铝涂层.T...
你别 真 生气, 他只不过是在诙谑你而已.Don't get angry. He is just playing a joke on you.讽刺体小说则得益于我国古代讽刺诗的谐隐诙谑传统.Satire genre novel benefits from the witty and pregnant tradition of the classical satirical poem....
30 percent of reptiles, birds, and fish are currently threatened with extinction.目前，30%的爬行动物、鸟类和鱼类面临灭绝的危险。The nature of the polymer is currently a trade secret.这一聚合物的性质目前是个商业机密。She is currently doing a business studies c...