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彭山锡矿145米中段以上采用平窿开拓矿石用ZK7-6/250型电机车从井下直接运至选矿厂。电机车道架线高度地面为2.8米,
145 meters above the middle of the Pengshan tin mine with flat open ore using ZK7-6 / 250 electric locomotive transported directly from the mine to the concentrator. Motor drive line height of the ground is 2.8 meters,