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通过改进设计 ,采用合理工艺措施 ,精心组织生产 ,研制成功用于东风4D型客运和准高速机车司机室的 2kW电暖风机。
By improving the design and adopting reasonable technological measures, the company carefully organized its production and developed 2kW electric heater which was successfully used in the passenger compartment of Dongfeng 4D passenger car and quasi-high-speed locomotive.