边框材料

多色边框款双材料

  • 线条 司特包覆木线条木质相框提供了优质边框材料其形状根据客户要求加以调整

    Coated molding FIRST coated molding used for wooden photo frames made in the quality frames materials, and shape of photo frame can be adjusted as the customer‘srequst.

    www.ptasao.org

  • 文章摘要不同材料杆组成均质四边形边框利用离散质点系统质心公式确定均质四边形边框的质心位置。

    Abstr: By using the centroid formula of system of particles, the centroid of an arbitrary rigid quadrilateral frame made up of several materials is determined.

    www.redlib.cn

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