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Words near each other
・ Tracing Lines / Silent Cry
・ Tracing paper
・ Tracing Shadow
・ Tracing Tea
・ Tracing wheel
・ Track
・ Track & Field (video game)
・ Track & Field II
・ Track & Field News
・ Track & Field News Athlete of the Year
・ Track & Field Sports Complex
・ Track & Signal
・ Track "X" Commonwealth War Graves Commission Cemetery
・ Track (CD)
・ Track (disk drive)
Track (rail transport)
・ Track 10
・ Track 12
・ Track 29
・ Track 5
・ Track 61 (Boston)
・ Track 61 (New York City)
・ Track access controller
・ Track Aduowan
・ Track algorithm
・ Track and field
・ Track and field at the 1995 Military World Games
・ Track and field at the 1999 Military World Games
・ Track and field at the 2003 Military World Games
・ Track and field at the 2007 Military World Games


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Track (rail transport) : ウィキペディア英語版
Track (rail transport)

The track on a railway or railroad, also known as the permanent way, is the structure consisting of the rails, fasteners, railroad ties (sleepers, British English) and ballast (or slab track), plus the underlying subgrade. It enables trains to move by providing a dependable surface for their wheels to roll. For clarity it is often referred to as railway track (British English and UIC terminology) or railroad track (predominantly in the United States). Tracks where electric trains or electric trams run are equipped with an electrification system such as an overhead electrical power line or an additional electrified rail.
The term ''permanent way'' also refers to the track in addition to lineside structures such as fences etc.
==Structure==


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Track (rail transport)」の詳細全文を読む



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