Objective To discuss genesic mechanism of trachea arteria anonyma fistula after tracheotomy.
目的探讨气管切开术后并发气管无名动脉瘘的发生机理。
Objective To discuss genesic mechanism of trachea arteria anonyma fistula after tracheotomy.
目的探讨气管切开术后并发气管无名动脉瘘的发生机理。
From the viewpoint of the hydrogeological environment,this paperdescribes the genesic types,prospecting direction and its way of deve-lopment of the spring in Jianregion.
本文从水文地质环境着手,论述吉安地区矿泉水的成因类型、找矿方向及其开发利用途径。
声明:以上例句、词性分类均由互联网资源自动生成,部分未工审核,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。