overhead counterweight bascule bridge

overhead counterweight bascule bridge: Строительство: раскрывающийся мост с противовесом

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Bascule bridge — This animation shows the movement of a double leaf bascule. Ancestor Drawbridge, Plate girder bridge, cantilever bridge Related Lift bridge, swing bridge Descendant … Wikipedia
movable bridge — ▪ engineering either a drawbridge, a vertical lift bridge, a transporter bridge, or a swing (pivot) bridge. The drawbridge, or bascule, is the best known; it may be single or double leafed. It originated in medieval Europe, probably Normandy, as … Universalium

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