observation platform railing

例句：

1. 1.The observation platform is equipped with a railing to prevent people from falling off.
   观察台配备了栏杆，以防止人们跌落。
2. 2.The safety of the workers on the observation platform is crucial.
   观察台上工作人员的安全至关重要。
3. 3. The railing on the observation platform was damaged during the recent storm.
   观察台上的栏杆在最近的暴风雨中受损了。