This is the National Memorial Arch, located at Valley Forge.

这是国家纪念建筑，位于山谷热。

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The work base of the mill is the largest component, which bears most of the rolling force, so the check of the memorial arch in the design is a key part.

工作机座是整个轧机中最大的部件，它承担着大部分的轧制力，因此在本设计中对牌坊的校核是一个关键的部分。

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The work base of the mill is the largest component, which bears most of the rolling force, so the check of the memorial arch in the design is a key part.

工作机座是整个轧机中最大的部件，它承担着大部分的轧制力，因此在本设计中对牌坊的校核是一个关键的部分。

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