广州地铁4号线直线电机车辆OPG底座惯性断裂原因分析及优化
广州地铁4号线直线电机车辆OPG底座惯性断裂原因分析及优化孙正士;余泽广【摘 要】OPG base fracture inertial-broken failure problems are analyzed in this paper.According to the analysis results, related spare parts material, production techn
时间:2023-09-03 热度:10℃