The subsurface flow system in the karst area is very complex because of the complicate dual processes of conduit and matrix flow in the system.
岩溶地下水系统由于管道流和扩散流同时存在而非常复杂。
The stepped low-pressurized water diversion system with parallel multi-holes in regulation tanks can reduce the pressure of the conduit and effectively simplify the control of the flow discharge.
在详细分析多孔并联分段低压输水系统水力特性的基础上，建立了这一输水系统的非恒定流控制方程以及关闸和不关闸条件下的保水堰边界条件。
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