The pore-fracture system consists of pore, microfracture, cleat and joint.
煤储层孔隙、裂隙系统由孔隙、微裂隙、内生裂隙和外生节理组成。
Budart Group of Sudert district in Hailaer Basin is a reservoir that has very low porosity, very low permeability, double pore system and it is rich in fracture.
海拉尔盆地苏德尔特地区布达特群是特低孔特低渗双孔隙介质储层，裂缝发育。
In Changxing Basin, there are abundant ground water resources, such as pore water of Quaternary system, fracture water of sandstone, fracture water and cavern water of carbonatite.
长兴盆地地下水资源丰富，有第四系孔隙水、砂岩裂隙水、碳酸岩类。裂隙水与溶洞水。
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