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南口机车车辆机械工厂自1979年生产197726轴承以来,约有20万套已经装车运行了5年,到了厂修期。轴承检修迫在眉睫。工厂领导非常重视这项工作,经过几个月的
Nankou locomotive and rolling stock machinery factory 197719 bearing production since about 200,000 units have been loading and running for 5 years to the factory repair period. Bearing repair imminent. The factory leadership attaches great importance to this work, after a few months