The causes of the wearable zone dropout were analyzed by the metallography analysis and SEM.采用金相分析和扫描电镜分析方法,分析了钻杆接头喷焊耐磨带脱落原因.The strain of the proeutectoid ferrite in hypoeutectoid steel drawing measured and analyzed by ...
You shouldn't stodge yourself with roast duck and beef stew, John.约翰,你不要让烤鸭和炖牛肉把你的胃口吃倒了.The appearance of the opening duck seemed first to arouse the Hurons from their apathy.张开的船帆的出现立即引起了休仑人的警觉.Tender, incomparably...
It is illegal to paint sparrows to sell them as parakeets.将麻雀彩绘成鹦哥出售是违法的.They're generally agreed to be crimson - fronted parakeets, native to Central America.它们被公认为是原产于中美洲的一种头部呈深红色的长尾小鹦鹉.Against it, parakeets and t...
He has never exhibited the self-confidence, bordering on arrogance, of his predecessor.他从未表现出他前任的那种近乎傲慢的自信。Lacking self-confidence and maturity, many teenagers are left feeling very vulnerable.许多十几岁的孩子既缺乏自信又不够懂事，所以感情上十分脆...