fiji barred-wing rail 斑翅秧鸡
Crossing with movable wing rail 可动翼轨平交道
rail wing 辙叉翼轨
·2,447,543篇论文数据，部分数据来源于NoteExpress
The manganese fork properly extends a wing rail to reduce an impact angle in order to enhance the train speed.
锰叉将翼轨适当延长以减小其冲击角，提高车速。
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