Drag onto the page to add a bollard for blocking vehicle access.
拖到繪圖頁后,可以添加阻止機動車通行的安全島護柱.
期刊摘選
Symbol for outdoor lighting. Standard or bollard can be specified.
戶外照明符號. 可指定標準式或柱式.
期刊摘選
"the road was closed to vehicular traffic with bollards"
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