tie plate under rail轨下垫板
metal-plate guard rail铁板护拦
fish plate rail joint鱼尾板钢轨接头
pinch plate rail fastening扣板式扣件
rail plate滑动导轨
The rail plate mould铁路盖板模具
left guide rail plate左导向轨片
Rail plate edge banding material高铁轨道板封边料
switch rail tie plate尖轨垫板
N（名词） an early flat rail with an extended flange on its outer edge to retain wheels on the track 平轨 (Sometimes shortened to plate) [railways]