We want to buy Iron Oxide, Limonite, Kaolin Clay, Gypsum Calcium Carbonate, Sand Glass, Fire Brick, Feldspar, Quartz, Bentonite, Dolomite Metal Mineral.

我们要采购氧化铁，褐铁矿，高岭土，石膏碳酸钙，砂玻璃，防火砖，长石，石英，膨润土，白云石，非金属矿物。

youdao

Gypsum, ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research, to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.

以石膏、碳酸氢铵和氯化钾为原料，生产硫酸钾、氯化铵钾和碳酸钙，原料综合利用充分，经济效益好。

youdao

The remainder will end up in salt ponds where various compounds -- sodium chloride, gypsum, calcium carbonate -- can be extracted and potentially commercialized.

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