随行电缆 meaning in English

trailing cable
traveling cable

To provide the construction machine for the building with curved profile and to solve the problem of traveling cable movement during cage up and down running along the curve mast , this kind of hoist is equipped with a speacial mechanism to maintain the cage floor always horizontal and a special cable trolley
该种机型主要解决各类曲线型建筑物施工的上下运输问题。为克服曲线运行造成随行电缆漂移难题，配有专用电缆滑车装置，吊笼地板的自动调整装置，可保证在任何运行段地板保持水平状态。