track cable

基本解释

Wiring through the bridge, carriage, and mast axes uses flexible cable track systems.
对通过桥，托板和主轴箱的电缆布线采用可弯曲的电缆拖链系统。
GORETM Trackless Cable eliminates the need for cable track, along with the problems typically associated with cable track such as particulation, vibration, weight and size.
GORE无拖链电缆省去了电缆拖链，从而避免了电缆拖链带来的如集尘、振动、重量和尺寸等典型问题。
In order to guarantee enough net space at the bottom of vehicles for passengers and cargo, and stanchions and station houses not too high, cable supporter is mounted on track cable.
为了客、货车底部在索道线路上有足够的净空尺寸，又不使支架和站房太高，故在承载索上设置托索器。

First of all, every commuter rail system has full time maintenance crews, and they always have plenty of work: changing lightbulbs in the tube, fixing a signal that got bumped, replacing an on-track communication cable that was vibrated out of place and smashed, etc.
FORBES: Why Does BART Need To Do Nightly Maintenance?
After the latest serious accident — when seven people were injured after a cable car slammed to an unexpected stop after hitting a small bolt in the track — The Associated Press obtained through a public records request a listing of cable car-related legal settlements over the last three years.
NPR: San Francisco Cable Car Accidents Costs Millions
City officials acknowledge that the open air cable cars, which ply only eight miles of track, produce a disproportionate amount of accident-related costs.
NPR: San Francisco Cable Car Accidents Costs Millions