东风_4型机车因机油压力低造成起动困难和回手柄停机故障的原因分析及改善措施

东风_4型机车因机油压力低造成起动困难和回手柄停机故障的原因分析及改善措施的英文翻译

基本释义

• Reason analysis and improvement measures of difficult start and shutdown during returning handle of DF_4 locomotives due to lower lubricating oil pressure