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:双鸭山矿务局七星选煤厂对旋流器底流口进行了改造并取得了一定的成效 ,为重介厂的改造提供了新办法
: Qixing Coal Preparation Plant of Shuangyashan Mining Bureau has carried out revamping of the hydrocyclone bottom outlet and has achieved some success, which provides a new method for the reconstruction of heavy medium plant