... rigid type construction 刚性结构 rigid type design 刚性设计 rigid-type core barrel 双动双层岩心管 ...
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Through the design optimization, the connection type of arch bases was changed from hinge to rigid and the material utilization was enhanced effectively.
通过设计优化，将大拱柱脚的连接方式由铰接改为刚接，并有效地提高了材料利用率。
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