tongue grooved joint 企口接缝

tongued and grooved joint 槽榫接合

tongued-and-grooved joint 雌雄榫接合

fillet and grooved joint 企口接口

tongue and grooved joint 舌槽榫接

grooved expansion joint 沟槽胀接

grooved and tongued joint [木] 企口接合 ; 实矧 ; 榫槽接 ; 槽舌接

grooved contraction joint 槽式缩缝 ; 开槽伸缩缝

rebated grooved and tongued joint [木] 企口接合