液压机械双功率流差速转向机构
Hydromechanical double power differential steering mechanism
大功率转换设备
high power switching device
电光功率转换效率
electro-optic conversion efficiency
非对称径向转向架
asymmetrical radial bogie
副构架径向转向架
deputy frame radial bogie
功率转换
power conversion
power conversion efficiency