辙叉

辙叉 [zhé chā]

1. ■ {铁道} frog

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常用词组

1. ■ 辙叉槽 frog flangeway;

2. ■ 辙叉导轨 lead of crossing;

3. ■ 辙叉工 frogger;

4. ■ 辙叉心 frog centre;

5. ■ 辙叉翼 frog wing;

6. ■ 辙叉趾[前端] frog toe