fukufukusende
1. Double-double track
Noun
#247223
1. Double-double track
1. four-track rail line (two in each direction); quadruple railway track
1. It is not a double track.; It is not a complex double track.
1. Double track ; Multiple track
1. Was a double track.
1. Probably double track.; Likely double track.
1. If there were multiple tracks; If multiple tracks existed
1. Was not a double track.; Was not a duplicated line.
1. Wasn't a double track.; Wasn't a complex double track.
1. If there are multiple tracks; If double-tracked