Double-Edge Round-Edge Edge-Grinding Machine
engineering district；maintenance of way section；track division；track district；track maintenance division
jointless line；continuously welded rail track；jointless track
non-NTDS track {dummy track}
replacing and laying track with track panel
track-to-track association
track-to-track moving time
transforming single track into double track
double - track existing single track line
four-edge Prewitt edge operator
Leading-Edge and Trail-Edge
Pseudo Wire Emulation Edge-to-Edge
ratio of main cutting edge and side edge
Ⅰ-type slab ballastless track