航向标线；罗盘准线；基线

lubber lines───航向标线；罗盘准线；基线

lubber's line───校准线

lubbers lines───航向标线；罗盘准线；基线

number line───实数直线；数值轴

lubberliness───润滑性

number lines───数轴；数数

ledger line───钓丝；附加线；附有底饵之钓丝

leger line───加线

rubber ring───橡胶圈

position. The horizontal position is represented by a fixed aircraft symbol located in the center of the display in line with stationary upper and lower lubber lines.───水平位置是由位于显示器中心的固定飞机标志以固定的上下罗盘准线代表。