truss principal 中文意思是什麼
truss principal
解釋
人字木-
Principal similarity coefficients of the test model are calculated to sufficient for similarity requirement of resisting to lateral stiffness. the steel truss was made of red copper in the model
模擬地震振動臺試驗中,模型設計按主要滿足抗側剛度相似要求確定相似關系,模型製作採用紫銅代替鋼完成鋼桁架的製作。
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