人造砂岩体 synthetic sandstone network

人造砂滩 Artificial nourished beach

人造砂岩 artificial sandstone sculpture

人造砂潍 Beach artificial nourished

人造金刚砂 artificial corundum ; carborundum ; amorphous carborundum

及人造砂 artificial sand

人造金刚砂粉 alumdum powder

人造白钨砂 artificial white tungsten ore

人造刚玉铝砂 aloxite

人造金钢砂 manufactured abrasives ; Carborundum