随着科学技术的不断发展,石膏矿的用途越来越广,特别在改良碱性土壤、水泥制造、轻质建筑材料方面用量最多.据了解目前在欧、美、日等国每年消耗量都在一亿吨 With the continuous development of science and technology, gypsum mine is more and more widely used, especially in the improvement of alkaline soil, cement manufacturing, light construction materials, the most used .It is understood that the current annual consumption in Europe, the United States, Japan and other countries are At one hundred million tons