换轮线 transpose wheel track
对于Track Matte描述正确的是：（）
线路中心线 center line of track
溜放线 rolling track
轨道衡线 weigh bridge track
机车走行线 locomotive running track
站线 station track
线路有效长 effective length of track
调车线 shunting track
机待线 locomotive waiting track
倒装线 inverted loading track
待班线 waiting track on duty
换装线 transhipment track
回转线 turn-around track
到发线 arrival-departure track
推送线 pushing track
What is NOT an advantage of the rhumb line track over a great circle track? （）
装卸线 loading-unloading track
跨线设备 track-crossing facilities
梯线 ladder track
混轨线 mixed track
线路全长 total length of track
The engineer hasn’t got time to track down the problem.‘To track down’ means to find out.
码头线 wharf track
