double-tracking

名词 n. 动词 v.

英文释义

名词 n.
  1. The provision of double track, usually as a conversion from single track. uncountable
    — The 15-week closure enabled completion of double-tracking between Dyce and Inverurie and upgrades to the signalling system between Aberdeen and Huntly. Over 10 miles of new rail has been laid and 19 bridges refurbished or replaced, with double-tracking covering a 16-mile stretch in total.
动词 v.
  1. present participle and gerund of double-track form-of,gerund,participle,present

词形变化

double tracking alternative

词源

词源 1
From double track + -ing.
词源 2
From double track + -ing.
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