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GJ956070 液压挖掘机限速阀复位弹簧的失效故障分析[刊,中]/谭宗柒//工程机械.—1995,(7).—33～35以 WY 100型全液压挖掘机液压系统为例,对其多路阀的工作原理进行分析,从中找出限速阀复位弹簧失效故障的根本原因,并提出改进措施。GJ956071 模糊控制理论及音谱分析技术在机械故障诊断中的应用[刊,中]/高向东…//工程机械.—1995,(7).—31～33
Failure Analysis of GJ956070 Hydraulic Excavator Speed-limiting Valve Return Spring[期刊,中]/谭宗柒//工程机械—1995,(7).—33～35 Example of WY 100 Full Hydraulic Excavator Hydraulic System , Analysis of the working principle of its multi-way valve, find the root cause of failure of the return spring of the speed limit valve, and put forward improvement measures. GJ956071 Application of fuzzy control theory and sound spectrum analysis technology in mechanical fault diagnosis [Introduction, Chinese]/Gao Xiangdong...//Construction Machinery.—1995,(7).—31~33