The cave narrowed after a while, but we were able to continue through a narrow gap by crawling into a water-filled fissure in the rock.
爬了不久，山洞变得越来越窄，爬过一条满是水的岩石裂缝，穿过狭窄的山口，我们得以继续前行。
Seepage flow in fissured rock masses is strongly anisotropic, due to main water flowing only through in fissure and bedding.
由于水只能沿着岩体的裂隙及层理等流动，致使裂隙岩体的渗流具有强烈的各向异性的特征。
The natural soda water occurs mainly in the pore-fissure confined aquifer of the clastic rock of Nenjiang group, Upper Cretaceous.
天然苏打水主要赋存于上白垩统嫩江组碎屑岩孔隙裂隙承压含水层中。
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