轨距杆 meaning in Chinese

track rod

Technical specification for insulated gauge rods
绝缘轨距杆技术条件
Railway fixed equipment . control of position of points and crossing . facing point stretcher
铁路固定设备.尖轨与辙叉位置的控制.逆向尖轨轨距杆
Fixed railway equipment . material for telecommunication and signalling overhead lines . trapezoidal tie bar
铁路固定设备.通讯和信号装置架空线路用器材.梯形轨距杆