钓丝；附加线；附有底饵之钓丝

ledger line───钓丝；附加线；附有底饵之钓丝

leger lines───加线

leger line───加线

ledger plates───固定板

feeder lines───馈线；进水线

lubber lines───航向标线；罗盘准线；基线

laughter lines───笑纹

ledger papers───[纸]帐簿纸

lubbers lines───航向标线；罗盘准线；基线

Ledger lines or leger lines are short horizontal lines used to indicate notes that lie above or below the stave.───加线为较短的水平线，用以表明音调在五线谱之上或之下。

Ledger lines or leger lines are short horizontal lines used to indicate notes that lie above or below the stave.