Treadle
01
踏板, 脚踏杠杆
a lever that is operated with the foot
02
踏板, 接触板
a mechanical device activated by the weight or movement of a train's wheels, typically used to trigger signals or track switches
例子
Treadles are strategically placed along the railway tracks to detect the presence of trains and facilitate safe operations.
踏板被战略性地放置在铁路轨道上，以检测火车的存在并促进安全操作。
When a train passes over a treadle, it sends a signal to the control center, informing them of the train's location and direction.
当火车经过踏板时，它会向控制中心发送信号，通知他们火车的位置和方向。
