英语词典
In addition, through the model experiment of pre-stressed rectangular square pyramid composite space truss, the correctness of characteristics of internal force and the feasibility of tension recovery method are proved.
另外,通过正放四角锥预应力组合网架的模型试验,验证了结构内力分布特点的正确性以及张力松弛法的可行性。
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lillian wants to draw a rectangular base pyramid.
丽莲要画一个长方锥体。
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