本帖最后由 hryspa 于 2013-7-15 12:20 编辑
应该是商店或者医院里面地, 硬硬的, 不透水, 好清洁, :)
google上的照片.
https://www.google.com/search?q=siergrindvloer&oe=utf-8&aq=t&safe=on&um=1&ie=UTF-8&hl=en&tbm=isch&source=og&sa=N&tab=wi&ei=atrjUZ6uOI-h7Abn8oDYCg&biw=1201&bih=1047&sei=bdrjUeqaMMaNONqZgfAI |