Decorative Sheet
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
In a decorative sheet， a base material has a concave portion on a front face. The concave portion includes a bottom surface. The bottom surface includes a first surface， a second surface and a third surface. A depth dimension of the first surface is a first value. The depth dimension is a dimension from the front face of the base material along a thickness direction of the base material. The depth dimension of the second surface is a second value which is smaller than the first value. The third surface is a surface which is connected with the first surface at a back side of the thickness direction， and is connected with the second surface at a front side of the thickness direction.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
