y-shape structure meaning in Chinese

y型分支结构

This paper deals with the water - bearing media and water - bearing quality of the rocks in the damsite , at first , then it concludes two water - bearing space structures , namely , t - shaped and y - shaped structures , after the classification of the different rocks ' water permeability . furthermore . on the basis of the dynamic state of the ground - water and the hydrogeological conditions of this area , the groun - water system of the area has been prelimilarily divided accordingly
本文首先研究了坝址区出露岩体的含水介质和含水性，并对岩体透水性进行了分类，总结出了两种岩体的含水空间结构，即“ t ”字型与“ y ”字型结构。在此基础上通过研究地下水的动态，以及水文地质条件对本区的地下水系初步进行了划分。