Objective To discuss genesic mechanism of trachea arteria anonyma fistula after tracheotomy.
目探讨气管切术后并气管无名动脉生机理。
Objective To discuss genesic mechanism of trachea arteria anonyma fistula after tracheotomy.
目探讨气管切术后并气管无名动脉生机理。
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成因类型、找矿方向利用途径。
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