单词	圆条--圆杆
释义	圆杆；圆条round bar
随便看	navigation area navigation assistant navigation astronomical navigation; astronomical navigation bar navigation beacon navigation bridge navigation by earth references navigation by map matching navigation by map-matching navigation by space references navigation channel navigation channel chart navigation chart navigation clock navigation coal navigation communication satellite navigation computer navigation computer control navigation computer control，ncc navigation computer--nc navigation computer unit navigation computer unit，ncu navigation computer，nc navigation constant