变轨距转向架
change gauge bogie
gauge-changeable bogie
bogie with variable gauge
可变轨距系统
variable rail gauge system
轨距—轨向检测
Gauge-alignment inspection
过轨转向架
bogie for passing different railways
跨坐式单轨转向架
straddle type single-rail bogie
非对称径向转向架
asymmetrical radial bogie
副构架径向转向架
deputy frame radial bogie