Analysis on the em plan for partition of the irrigation system, irrigation is a region of Hong van have pumping Hong van pump station is the clue to the scale of 5x8000 m3/h. There are main channels channel system such as: Eastern channel, to the West, the North Channel and the channel system of branch canals level 2 bring water up to the dense surface of paddy fields, with the big guns take water drain from cm 20 x 30 print.5.3: calculating water balance5.3.1: purpose, meaninga) purpose:Calculate the balance between the ability to take water through the process of water requirements of clues and objects in the different subregions in the region to resolve the contradiction between supply and demand, between objects, between the regions, from which make improvement and upgrading works most effectively.b) meaning:Accurate calculations will be the basis to determine the true scale of the size works. Aircondition between water and the ability to request a water level of water resources in time and space, meet the requirements of the water of the plant increased productivity and economic efficiency.
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