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本文系统地研究分析了悬移顶梁组合支架的架型,创建了力学模型。
In this paper, the type of new type support is researched and creating mechanical model.
youdao
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本文系统地研究分析了悬移顶梁组合支架的架型,创建了力学模型。
In this paper, the type of new type support is researched and creating mechanical model.
youdao