单词	垫板孔眼
释义	垫板孔眼phr.pad eye【船】眼板；垫板孔眼
随便看	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 navigation consultant navigation control simulator navigation control simulator，ncs