Methods:The CT and MR manifestation of case with heaver tail liver were analyzed retrospectively.方法 :回顾分析 例獭尾肝的CT和MR表现。
The results show that the resistance of heat crack of Al_ Ti/ZL0 in situ composite is higher than that of matrix materia果表明:Al Ti/ZL0原位复合材料的热裂抗力较基体材料大、线收缩率较基体材料小、铸造应力略大于基体材料;