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Interlockings
Interlockings. Interconnected signals and appliances which sequentially succeed one another in their operations. It includes the interlocking operations buildings, signals, switches, various apparatus. By orderly operation of the components as a unit, safe movement of numerous trains is thereby ensured.
Admin добавил 09.02.2012 в 15:55 Вы можете дополнить или изменить данную статью, нажав кнопку Редактор |
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