This engineering project is aimed at studying the way hydro dynamic features, mik, and design of experiments to determine the general equation of the White River Rock pebbles. By studying the colour khaoklom the river bed diameter 5, 10 and 20 mm are packed with test beds, wind through packed beds and make the measurement density, specialized pressure falling across plum flow rate and the ingress of river pebbles and stones from the dot tree.Calculation and found that 1) small stones are stone with prunes, and less than 2 large) small stones to make ingress coefficients is less than a large rock, because it is a small stone with prunes that are less than 3 large stones) small stone is a pressure decrease over large rocks, small stones, because it is less large stones made of prunes, wind through small stones will pass less than a large rock, it's a lot of pressure reduction occurs.
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