double-dovetail key

双燕尾槽,doubl... ... ) swallow and swallow canal 燕尾与燕尾槽 ) double-dovetail key 双燕尾榫 ) swallowtail twin 燕尾双晶 ...

dovetail... ... double dovetail key 银锭榫 double-dovetail key 双鸠尾榫键 dovetail anchor 燕尾锚具 ...