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二十多年来,SS1型电力机车在科研、设计、制造和运用单位的共同努力下,同经改造,性能不断提高。特别是从1980年全面审定设计图纸后生产的SS1型1221号以后的机车,质量稳定可靠。现已生产500多台,成为我国目前电气化铁道的主型机车。近几年来,检修和运用部门大力推行长交路、输乘制、专业化、集中修。机车机破、临修率逐年下降。每十万公里机破,由1980年的1.05件,下降为1984年的0.17件,下降84％;
For more than 20 years, with the joint efforts of scientific research, design, manufacture and application units, SS1 electric locomotive has been transformed and its performance has been continuously improved. In particular, the model SS1 1221 locomotive produced after the comprehensive validation of the design drawings in 1980 is stable and reliable. Has now produced more than 500 units, becoming China’s current electrified railway main locomotive. In recent years, maintenance and utilization departments vigorously promote the long road, transport system, specialization, focus on repair. Locomotive machine broken, temporary repair rate decreased year by year. The number of broken machines per 100,000 kilometers dropped from 1.05 in 1980 to 0.17 in 1984, down 84%.