The fractograph exhibited typical ductile dimple fracture pattern.断裂形式呈韧性断裂,断口以韧窝为主.The toughness, fractograph and microstructure of the failed die specimens have been examined and analysed.检测了失效模具材料的微观组织 、 击韧性和断口形貌.The ...
Tubby body obesity, forehead, head cephalic, occipital and Yuhina are black, about 60 centimeters Yuhina.体形短粗肥胖, 前额 、 头顶、头侧 、 枕部和冠羽均为黑色, 冠羽长约60厘米.He was a tubby little man in his fifties, with sparse hair...他50来岁，头发稀疏，身材...