对头接合 Joining on butt ; butt seam ; butt joining

对头接榫 Butt tenon

对头接头 Butt splices

单盖板对头接 [木] single-covered butt joint

两头对接 [建] Butt and butt

对头焊接 butt-weld ; jam weld ; weld

对头熔接 butt fusion welding ; Butt Welding ; butt joint welding ; butt miter

对焊接头 [机] butt joint ; butt-welded joint ; Tool Jionts ; welded butt joints

斜对接接头 oblique butt joint ; scarf joint ; scarfbuttjoint