前车架转向油缸小孔开裂
front frame steer cylinder aperture crack
非对称径向转向架
asymmetrical radial bogie
副构架径向转向架
deputy frame radial bogie
径向转向架原理
principle of radial bogie
迫导向径向转向架
forced radial bogie
forced-steering radial truck
柔性耦合径向转向架
Flexible coupled radial bogie
主动导向转向架
active-bogie-steering bogie