| 摘要 |
A wooden structure for a stair having tread and riser surfaces includes a tread member including a tread core layer made of lower quality wood and having a tread bottom face, and a tread lamella layer fixed on top of the tread core layer, made of higher quality wood, and having a tread top face. The tread member has a first height, and tread front and rear end faces respectively interconnecting front and rear ends of the tread top and bottom faces. A front nose member has a front nose rear face connected to the tread front end face and having a part extending downwardly from the tread front end face and adapted to face the riser surface, a front decorative face, and front nose top and bottom ends spaced apart from each other by a second height that is larger than the first height.
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