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Read Moreجودة الأسطوانة الباريت. ... الباريت عملية ميكانيكية الباريت الرمال يقدر احتياطي الباريت ما بين 0 7 و 2 مليار طن طن تم إنتاج أقصى قدر من الإنتاج، 8 3 مليون طن، في عام 1981، ولكن تم استخدام فقط 7 8 ...
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