Objective To explore the effect and survival time by setting covered metallic expansible-self stents to treat postradiation esophago-tracheal fistula.
探索放置金属带膜自膨式支架治疗放疗后
管气管瘘
功效及生存时间。
任务；支架（stent复数）任务；节省（stent三单形式）Objective To explore the effect and survival time by setting covered metallic expansible-self stents to treat postradiation esophago-tracheal fistula.
探索放置金属带膜自膨式支架治疗放疗后管气管瘘功效及生存时间。
声明：以上例句、词性
类均由互联网资源自动生成，部未经过人工审核，
内容亦不代本软件
观点；若发现问题，欢迎向我们指正。
