特殊用法bareface tenon1.裸面榫bevelled [oblique] tenon1.斜榫common tenon1.平榫double tenon1.双榫头dovetail tenon1.鸠尾榫forked tenon1.叉形榫haunched tenon1.腋脚凸榫tusk tenon1.加劲凸榫