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单词 Fell system
释义

Fell system

noun

ˈfel-
: a system of tracking for mountain railroads that uses a central elevated double-headed rail laid sideways and gripped tightly on each side by horizontal wheels attached to the locomotive

Word History

Etymology

after Fell, 19th century engineer who used it in a mountain railway across Mont Cenis that was opened in 1868

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更新时间:2024/12/24 9:32:02