逐点计算法在大兴煤矿选煤厂402-Ⅱ带式输送机设计中的应用
축점계산법재대흥매광선매엄402-Ⅱ대식수송궤설계중적응용
The application of point-to-point calcalating method in 402-Ⅱ belt conveyor' design of Daxing Coal Mine coal preparation plant
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