海口市街道绿化类型减噪效应的测定与分析
Noise Abatement Effects of Street Green Area and Belts in Haikou
他说，翻斗车在海口市的主要街道后落下的沉积物，影响市容。
He said the dump truck Haikou have in the main street after falling down the sediment , the impact of amenity .
海口街道