用来铺块石面路或其他区域的黑色含沥青的材料；通常覆盖在压碎的石头上。

A black bituminous material used for paving roads or other areas; usually spread over crushed rock.

youdao

用来铺块石面路或其他区域的黑色含沥青的材料；通常覆盖在压碎的石头上。

A black bituminous material used for paving roads or other areas; usually spread over crushed rock.

youdao