On the back slope water pressure in clay permeability of avoid by all means, time will take high moisture line, and even the water seepage scale expansion and danger.
切忌在背水坡用黏土压渗，云云会举高滋润线，乃至渗水规模扩张和险情加重。
On the back slope water pressure in clay permeability of avoid by all means, time will take high moisture line, and even the water seepage scale expansion and danger.
切忌在背水坡用黏土压渗，云云会举高滋润线，乃至渗水规模扩张和险情加重。
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