karst bare hills 岩溶石山
The principal karst features are the karst hills, dry valley, the grike and so on.
主要岩溶形态有岩溶丘陵、干谷、岩溶沟等。
A row of karst hills along its Banks has been immortalized on one side of the 20 renminbi note.
20元面值的人民币的背面，印的就是漓江两岸的一排喀斯特山峰。
The buried-hills mainly develope two kinds of reservoir, one is related to the crust of weathering and karst zone, the other is to lithology.
古潜山主要发育风化壳岩溶带储层和内幕储层。 下古生界碳酸盐岩裂缝-溶蚀型储集层的发育特征以有无上古覆盖是岩溶发育的前提；
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