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在计划经济模式下,按照矿井设计能力设计选型通风设备,在矿井生产过程中造成通风能力过剩和通风设备的闲置。东曲矿井通风系统改造的成功事例,向传统的设计惯例提出了挑战。
Under the planned economy model, the selection of ventilation equipment in accordance with the design capabilities of the mine resulted in excess ventilation capacity and idle ventilation equipment in the mine production process. The successful case of Dongqin Mine Ventilation System reform poses a challenge to traditional design practices.