
[Abstract] College reservoir aqueducts in spray polyurea materials. There is a damage, unlike earthquakes, typhoons, as suddenly, it was quietly, allowing the bridge collapse, the collapse of high-speed railway, reservoir leakage, it is a year of natural disasters caused losses greater than the sum of 6 times, it's called the "corrosion . " ...Jiaozhou Bay Bridge spray high-tech materials like Paul a hundred years
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