On the basis of water dynamic conditions in karst regions, karstvalley is divided into two types: the supplying type and draining type.
本文按岩溶地区水动力条件，将岩溶河谷分为补给型、排泄型两种类型。
2
The city of Guiyang is located in a wide karstvalley basin in the central part of Guizhou Plateau, where carbonaceous rocks are developing and karst groundwater sources are abundant.
贵阳市位于贵州高原中部的一个岩溶宽谷盆地中，岩溶地层发育，地下水资源丰富。
3
The principal karst features are the karst hills, dry valley, the grike and so on.