n.系船柱；護(hù)柱

Pass the head line round the bollard and make fast. 首纜上樁挽牢。

Symbol for outdoor lighting. Standard or bollard can be specified. 戶(hù)外照明符號(hào)。可指定標(biāo)準(zhǔn)式或柱式。

Drag onto the page to add a bollard for blocking vehicle access. 拖到繪圖頁(yè)后，可以添加阻止機(jī)動(dòng)車(chē)通行的安全島護(hù)柱。

An upper end of a timber that projects above a deck and is used as a bollard. 肋骨端頭伸出甲板用作系柱的一塊木料的上端

Drag onto the page, then right-click to specify standard or bollard. 拖到繪圖頁(yè)上，然后右擊可指定標(biāo)準(zhǔn)式或柱式。