“护柱”用英语怎么说

拖到绘图页后,可以添加阻止机动车通行的安全岛护柱.Drag onto the page to add a bollard for blocking vehicle access.阻止机动车通行的一组安全岛护柱. 可指定安全岛护柱的数目.Set of bollards for blocking vehicle access. Number of bollards can be specified.我用苯乙烯坚实的控制棒和黄铜棒制造的单一护...