连接板 Tie Plate

记分牌

滚动夹锁螺母 Roller Clamp Lock Nut

轨道螺栓 Track Bolt

跟踪螺栓 Track with Mounting Bolts

不锈钢夹轨器 Stainless Steel Rail Clamp

橡皮筋

双滑轮 Double Pulley

单滑轮系列 Single-pulley Series