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.
苏东坡在灵璧时，见灵璧奇石大都只有一面有景，但是张氏园中有一块奇石，高峻陡峭，正反两面景观一样，就像一头弯颈的麋鹿。
Su Dongpo in Lingbi, see Lingbi stone mostly there is only one king, but to have a piece of stone, steep and high, on both sides of the landscape, like a head bent neck elk.
应用范围：用于公路、铁路、河道、堤坝、山坡等坡面保护，可替代混凝土、沥青、块石等永久性的坡面防护材料。
Application: Used for slope protection of highway, railway, channel, dam and hillside. It can replace concrete, asphalt, stones and other slope material.
应用推荐