<kuid:945227:1000253> CN - AAy-track A1
<kuid:945227:1000300> CHN - AAy-Ballastless track A1
<kuid2:945227:1000300:1> CHN AAy - CRTSⅠ ⅰ ballastless track
<kuid:945227:1000366> CHN AAy - Idle rail1
<kuid:945227:1000367> CHN AAy - Idle rail2