High-speed trains are generally operated on _____ lines.
A: dedicated
B: existing
A: dedicated
B: existing
举一反三
- High-speed trains are generally operated on dedicated lines__1__.
- Which of the following is NOT an element of high-speed rail? A: Speeds up to 199 km/h. B: The need for a wider curve radius. C: Tracks made with continuous welded rails. D: The use of dedicated lines or upgraded existing lines.
- The less expensive option of constructing special tracks for high-speed train is utilizing __________ . A: dedicated lines B: existing lines C: specail lines D: continuous welded rails
- existing line/dedicated line A The high-speed train runs exclusively on a(n) . B The high-speed train shares a(n) .
- The high-speed train runs exclusively on a(n) __________________. A: existing line B: dedicated line