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movable-point crossing
释义
movable-point crossing
movable-point crossing
[
′mü·və·bəl ¦pȯint ′krȯs·iŋ
]
(civil engineering)
A small-angle rail crossing with two center frogs, each of which consists essentially of a knuckle rail and two opposed movable center points.
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更新时间:2026/8/20 20:39:51