a system of signals and signs used to control train movements and ensure safety on the tracks
铁路信号系统
a small object placed beside a road or railway to mark a specific point or give information
信号标志
an explosive device placed on railroad tracks, activated by passing trains to warn engineers of potential dangers ahead
鱼雷
a sign along a railway track that tells the train driver to blow the whistle
哨子标志
a sign or light beside a railway track that tells the train driver when to stop, go, or slow down
铁路信号
a visual signaling device that uses a moving arm to show train drivers if they should stop or proceed
铁路信号机
a type of warning light mounted on the front of trains in North America, designed to rotate or oscillate to alert vehicles and pedestrians at crossings
火星灯
a unique code on railway cars that identifies the owner or the operator of the car
报告标记
a safety system on railways that detects the presence of a train on a section of track
轨道电路
the sections of tracks without advanced signaling systems, relying instead on manual or basic signaling for train operation and safety
黑暗区域
a method of managing train movements through direct communication between the train dispatcher and train crews
直接交通控制
a mechanical device activated by the weight or movement of a train's wheels, typically used to trigger signals or track switches
踏板
a physical object used to authorize a train's movement along a specific track section
代币
a device used to identify flaws or issues in machinery, typically on railways
缺陷探测器
a heavy-duty device used for compacting and leveling surfaces, typically in construction or railway maintenance
夯实机
a substance applied to train tracks to improve traction, helps prevent slippery conditions caused by fallen leaves and other debris
沙迪特
a condition on train tracks caused by wet leaves or other debris, making it challenging for trains to maintain traction
滑轨
a specialized machine that spreads and shapes ballast on the tracks to ensure stability and proper drainage
撒布机
a specialized machine designed to clear snow from railways by using a rotating blade
旋转式除雪机
a machine used to maintain and improve the condition of train tracks by grinding them to ensure smooth and safe operations
轨道磨削机
a small vehicle that is manually operated and used on railway tracks for maintenance or inspection purposes
轨道车
a device used to guide and align railway rolling stock back onto the tracks after a derailment or during maintenance
复轨器