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Railroad plough : ウィキペディア英語版 | Railroad plough
A railroad plough (also known as a Schienenwolf ('rail wolf') or Schwellenpflug ('sleepers plough')) is a rail vehicle which supports an immensely strong, hook-shaped 'plough'. It is used for destruction of rail track in warfare, as part of a scorched earth policy, so that it becomes unusable for the enemy. In use, the plough is lowered to rip up the middle of the track as it is hauled along by a locomotive. This action breaks the wooden ties which forces the steel rails out of alignment, making the line impassable by later rail vehicles; bridges and signalling equipment also suffer serious damage. ==World War II== Railroad ploughs were in use by the Czechoslovakian army in 1938.〔(''Pre-war fortification of Czechoslovakia in Czech Switzerland'' ) (entry for 24 September 1938) (Retrieved: 15 November 2007)〕
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「Railroad plough」の詳細全文を読む
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