n.石膏
Hemihydrate can be used instead of gypsum. 半水物硫酸钙可以用来代替石膏。
Gypsum can be used as a soil conditioner. 石膏可以用作土壤改良剂。
Up to 5% of gypsum can be added to cement products. 水泥成品中最多可以添加5%25的石膏。
