Characteristics and methods of key projects
.The characteristics of key projects will proceed from the upper drainage area To drain the water into the bay water stay at the seaside. Then, when the sea level dropped to lower than in a canal. Canal will flow into the sea, naturally.To make the upper water gradually flow itself. Thus, causing the flooding area decrease. Finally, when the sea level was higher than the levels in the canal. Then closed the floodgate by waters down างเดียว
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