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随着矿井开采范围的转移和生产能力的提高,原有的通风系统已不能满足当前生产需要,必须对通风系统进行改造,选择合适的通风系统改造方案,可取得良好的经济效益。
With the shift of mining range and the increase of production capacity, the original ventilation system can no longer meet the current production needs. It is necessary to reform the ventilation system and select a suitable ventilation system reform program, which can achieve good economic benefits.