自闭门自闭水密门 automatic closing door ; self closing door

自动开闭门 automatic opener

自动关闭门 automatic closer ; self closing door ; self-closing door

自动关闭防火门 self closing fire door ; automatic closing fire door

双向自动关闭的门 double-action self-closing door ; closingdoor

自闭式门 self-closing door

自动闭门系统 Self-closing and latching door

自闭水密门 self closing door

自闭式防火门 fire door self-closing type