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porous asphalt pavement
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porous asphalt pavement
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公路路面
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porous asphalt pavement
排水沥青路面
表面层由空隙率18%以上的沥青混合料铺筑,路表水可渗入路面内部并横向排出的沥青路面类型,又称多空隙沥青路面。
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Railway Port of Suifenhe City
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