In combination with the features and application requirements of anhydrite, the specific direction in deep-level development of anhydrite was pointed out.
结合硬石膏的特性和应用要求，指出了硬石膏深层次开发的具体方向。
In combination with the features and application requirements of anhydrite, the specific direction in deep-level development of anhydrite was pointed out.
结合硬石膏的特性和应用要求，指出了硬石膏深层次开发的具体方向。
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