Shangwutong gypsum deposit in Shimen county is one of the largest high quality gypsum deposits discovered in our province.
石门县上五通石膏矿床是我省发现的大型优质石膏矿床之一。
Shangwutong gypsum deposit in Shimen county is one of the largest high quality gypsum deposits discovered in our province.
石门县上五通石膏矿床是我省发现的大型优质石膏矿床之一。
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