铝质拦杆扶手 aluminium balustrade and railing

安全拦杆 life rail

船楼侧拦杆 breast rail

扶手拦杆 grab rail

固定拦杆 fixed railing

防护拦杆 protection railing

护拦、栏杆和扶手 railings & handrails

针杆拦线板螺丝 needle bar thread guard screw

铁路公路交叉口拦路杆 railway crossing bar