| 摘要 |
A wooden stairtread includes an elongate nose member, an elongate tread body, and a tread end member. The nose member is made of higher quality wood and has a connecting end surface and two opposite lateral end surfaces. The tread body has first and second connecting end surfaces, and includes multiple core layers, and corresponding upper and lower surface layers. Each upper and lower surface layer is made of higher quality wood and has top and bottom sides that are flush with corresponding upper and lower edges of the connecting end surface of the nose member. Each core layer includes two lateral end members made of higher quality wood, and a middle core member made of lower quality wood. The tread end member is made of higher quality wood and is connected to the second connecting end surface of the tread body.
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