A protective pier or dock apron used as a buffer against floating ice.
A protective pier or dock apron used as a buffer against floating ice.
桥墩护槛保护桥椁免受浮冰碰撞的护栏或码头围栏
A protective pier or dock apron used as a buffer against floating ice.
桥墩护槛保护桥椁免受浮冰碰撞的护栏或码头围栏