欧盟依靠公共资金和私人资金开发了一种叫PERS东西,
It is made from a blend of crushed rock, rubber and polyurethane, a synthetic plastic thatreplaces bitumen as the binding agent and allows even bigger pores in the road surface.
它由碎石、橡胶和聚氨酯制成,人造塑胶聚氨酯可以代替沥青,因为这种粘合剂可以允许更大的气孔存在于路面。
PERS is not cheap, costing around five times as much as rubberised asphalt.
PERS并不便宜,其成本几乎是橡胶柏油的5倍,
But you get what you pay for:
但这完全物有所值,
tests suggest it can cut road noise in half.
据Luc Goubert测算,在一些特别吵闹的地方可以减少一半的噪音。
In some particularly noisy areas, reckons Luc Goubert, who is co-ordinating the PERS projectat the Belgian Road Research Centre in Brussels, the resulting boost to propertyvaluesand, therefore, land taxescould help cover the cost.
这个结果也推动了周边的房产价格所以地税或许可以帮助抵消掉成本。
词语解释
1.rubber n.橡胶;橡皮;决胜局
Money plants and rubber plants are other all-timefavorites.
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