non-NTDS track {dummy track}

engineering district；maintenance of way section；track division；track district；track maintenance division

jointless line；continuously welded rail track；jointless track

replacing and laying track with track panel

track to track fusion

track-to-track association

track-to-track fusion

track-to-track moving time

transforming single track into double track

double - track existing single track line

address， dummy

ahead dummy

anthropometric dummy

anthropomorphic dummy

asterisk dummy argument

atlas dummy

automobile dummy field

continuous dummy fabrication

cuppy fixed dummy block