道岔: railroad switch; slip point; ...尖: pointed; tapering轨: rail; track道岔尖轨长度: switch rail length道岔尖轨滚轮: switch point roller道岔尖轨表示器: switch point indicator尖轨道岔: split turnout岔尖: switch tongue尖轨连接杆, 尖轨拉杆, 道岔连接杆: point connecting rod尖轨: tongue rail道岔: railroad switch; slip point; switch; points 扳道岔 work the railway switch; 道岔标志 switch target 尖轨端: point of tongue辙尖轨: switch rail背向岔尖: trailing pointtch辙岔尖点: actual frog point弹簧尖轨: spring tongue导向尖轨: guiding tongue尖轨半径: radius of point; radius of switch尖轨保护器: switch protector尖轨长度: length of switch rail尖轨长枕: head block尖轨垫板: switch rail tie plate尖轨动程: throw at end of points尖轨动距: throw of switch尖轨跟端: heel of switch rail