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Read Moreسنگ شکن اولین مرحله خردایش مواد معدنی استخراج شده به منظور آزاد سازی کانی با ارزش از گانگ است که معمولا در 2 یا 3 مرحله و بصورت خشک انجام میشود.
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Read More2021year11month1day However, increasing the slope angle in the working zone will increase the risk of the rock mass unstable state [10]. The risks of reducing the stability of the walls
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