所述铰链具有在所述中心部分的相反侧上横向间隔开的端部分(52,54)，并且所述端部分在所述盖闭合时具有凹形外表面。

The hinge has laterally spaced end portions (52, 54) on opposite sides of the central portion and having concave outer surfaces when the lid is closed.

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研究仿真模型的输入参数如订货提前期、客户需求间隔对横向补货库存系统服务水平、库存成本的影响，得到一些结论。

It inputs parameters such as lead time, customer demand inventory replenishment interval of the horizontal level of service and inventory costs. And some conclusions are drawn.

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此外，副通道以所需的一定间隔横向或斜向焊封或胶粘而分隔成纵向节段；

Two vertical edges of the utility model are overlapped and welded up or glued to form a main channel and an assistant channel.

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此外，副通道以所需的一定间隔横向或斜向焊封或胶粘而分隔成纵向节段；

Two vertical edges of the utility model are overlapped and welded up or glued to form a main channel and an assistant channel.

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