1. To define the optimal methods of diagnosis of ureteral injury from blunt abdominal trauma, the intravenous urography and retrograde pyelograph were used for the earlier diagnosis of ureteral injury.
   为了提高对腹部钝性伤所致闭合性输尿管损伤的早期诊断,采用大剂量静脉肾盂造影或逆行造影。

声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。