Read Edit View history 硫酸钙 liúsuāngài calcium sulfate Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 硫酸钙/硫酸鈣 · liúsuāngài · calcium sulfate 2026/03/04 硫酸钙 / 硫酸鈣 liúsuāngài calcium sulfate calcium sulfate 石膏的主要成分是硫酸钙。 noun created sense Mar 4, 2026, 02:25 AM