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来自维基百科,自由的百科全书
鹅卵石(Cobblestone),基本上是cobble大小的石头,是用于路面、街道和建筑物的一种天然的建筑材料。鹅卵石有时会和沙子或类似材料混在一起。
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.