The gypsum is placed in a box which is then covered with a glass plate supplied with clay removing extra gypsum.
石膏被陈列在一个盖着玻璃盘子的盒子里,玻璃盘子上附带着从别的地方附带的粘土。
2
The gypsum that is a symbol of droughty climate and occlusive environment is extensive in Neogene Red Clay.
石膏作为干旱气候和闭塞环境的标志,广泛存在于第三系红层之中。
3
We want to buy Iron Oxide, Limonite, Kaolin Clay, Gypsum Calcium Carbonate, Sand Glass, Fire Brick, Feldspar, Quartz, Bentonite, Dolomite Metal Mineral.