交叉支撑装置是提速货车转向架的关键部件之一。
Cross sustaining device is one of the key parts of speed increased freight car bogies.
通过计算和试验，对铁路货车提速转向架组合式制动梁缓解不良问题进行了分析，提出了影响因素和改进方案。
The bad release of the composite brake beam in speed increased bogies for railway freight cars is analyzed through calculation and test.
解决货运提速的关键技术之一是研制快速货车转向架。
Researching and manufacturing the bogie of rapid speed wagon the key technologies for the rapid speed wagon.
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