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《Forestry Science and Technology Information》 2005-01
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Conspectus Of Road Drainage System

Yang Yaowu (Road Management Bureau Of Hulunbei'er City of Mongolia Municipacity)  
Quality and usage longevity of road construction depend on the drainage system. Water content in the road base surface must be kept low to avoid affecting road intensity and stability.
【CateGory Index】: U417
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