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分析计算了齐鲁石化厂区至东风站的取车作业牵引工况,指出现用的DF_(7改)-A型机车的功率不满足实际需要,建议改用DF_(4D)型调车机车。
It analyzes and calculates the traction operation condition of the pickup truck from Qilu Petrochemical Factory to Dongfeng Station, and points out that the power of DF_ (7) -A locomotive used does not meet the actual needs, and it is suggested to use DF_ (4D) shunting truck instead.