gunwale angle bar

例句：

1. 1.The angle bar on the rifle is perfect for adjusting the sights.
   步枪上的角条非常适合调整瞄准镜。
2. 2. The angle bar on the boat's bow helps stabilize the vessel during rough seas.
   船头角条在风浪中帮助稳定船只。
3. 3. The angle bar on the door is designed to prevent it from closing too tightly.
   门上的角条设计用来防止门关得太紧。