片语
tongue-and-groove protective strip企口防护条
tongue-and-groove rolling闭口孔型轧制
tongue-and-groove flooring企口地板
tongue-and-groove floor企口地板
tongue-and-groove connection企口接合
tongue-and-groove method闭口式孔型轧制法
gular tongue-and-groove joint三角榫接
tongue-and-groove sheet pile企口板舂
tongue-and-groove labyrinth复式企口
tongue-and-groove coupling舌槽榫合联轴器