This book designs the irrigation area project moved 40 remaining years of life to come, to create the huge economic efficiency and the social efficiency. But as a result of the project funding invested's insufficiency, the project quality is bad, in addition is in disrepair after many years, the unaccelerated aging and the human
This book designs the irrigation area project moved 40 remaining years of life to come, to create the huge economic efficiency and the social effciency. a result , he project quali