The testing principles , main structure , function , testing methods as well as the testing and researching conditions of the testing stand on freight car bogie parameters are described .
介绍了货车转向架参数测试台的测试原理、主要结构、功能、测试试验方法及试验测试研究情况。
The union design requirements , elaborate the 70t level freight vehicle 's key technologies and the system design mentality , including chassis lightweight design , 25t axis heavy bogie technology and so on .
连算计划要求叙说70t级货车的关键技艺和总体计划思路包括车体轻量化计划、25t轴重转向架技艺等。
The results show that dual three-wheel bogie main landing gears can significantly improve the surface floatability of aircraft , reduce runway wear and thus improve take-off and landing safety .