1.
Application Analysis of Heavy Repair Technical Process of DF_4 - type Locomotive Wheel - set
东风_4型机车轮对大修工艺应用分析
2.
Washing of copper heat exchange elements for DF_4 locomotives
东风_4型机车铜热交换元件的清洗
3.
Development of DF_4 Series Diesel Locomotives
东风_4系列内燃机车的开发及发展
4.
A Study of automatic diesel engine protector for DF_4 locomotives
东风_4型机车柴油机自动保护器研究
5.
The mounting and adjusting of gear box for DF_4 locomotive
浅谈东风_4型机车变速箱的安装调整
6.
Transformation and application of double heading method of DF_4 locomotives
东风_4型机车重联重载牵引技术改造和应用
7.
Development of Silicon Element Parameter Test Board of DF_4 Diesel Locomotive
东风_4型内燃机车硅元件参数测试台的研制
8.
DF_4 locomotive electric fires and their comprehensive prevention
东风_4型机车的电气火灾及其综合治理
9.
A study of improvement of stepless speed regulating driver for DF_4 locomotives
东风_4型机车无级调速驱动器改进探讨
10.
Consideration of piston material for DF_4 locomotive diesel engine
关于东风_4型机车柴油机用活塞材质的思考
11.
Analysis and countermeasures of failures of combined regulators of DF_4 locomotives
东风_4型机车联合调节器故障分析及对策
12.
Design and test of the test bed of air source purification plants for DF 4 locomotives
东风_4型机车风源净化装置试验台的设计与试验
13.
Reason analysis and prevention measures of the brake shoe of individual brake cylinder holding the wheel for DF 4 diesel locomotives
东风_4型内燃机车单个制动缸上闸抱轮的原因分析及防止措施
14.
Reason analysis and countermeasures for DF_4 locomotive diesel engine main bearing lining crushed
东风_4型机车柴油机曲轴碾瓦的原因和防止措施
15.
Reason analysis and improvement measures of cracks of cylinder heads for DF_4 locomotive diesel engines
东风_4型机车柴油机气缸盖开裂原因分析和改进措施
16.
Reason analysis and solving measurements of break of lateral arm guide poles of DF_4 locomotive diesel engines
东风_4型机车柴油机横臂导杆折断原因分析及解决措施
17.
Application tests and their analysis of ceramic piston rings in DF_4 locomotives at Chifeng Locomotive Depot
陶瓷活塞环在赤峰机务段东风_4型机车上的应用试验情况及分析
18.
Application of light and iron spectrum analysis technologies in the failure diagnosis of diesel engines for DF 4 locomotives
光、铁谱分析技术在东风_4型机车柴油机故障诊断中的应用