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| Chinese | English |
| 废石膏 | waste gypsum By-product of the wet limestone flue gas desulphurisation process (石灰石湿法烟气脱硫工艺的副产品。) |
| 石膏 | gypsum A colourless or white mineral used in the building industry and in the manufacture of cement, rubber, paper and plaster of Paris (建筑业及水泥、橡胶、纸张和熟石膏的生产工业,常用的一种无色或白色的矿物质。) |