The results show that Nb can increase the structure stability of chilled cast iron.
结果表明,铌可以有效地提高冷硬铸铁高温组织的稳定性。
In underground structure, excavation method has a great impact on land subsidence and structure stability.
在地下结构中,开挖方式对地表沉降和结构稳定影响很大。
A concept of structure stability optimization is described on the basis of beam member structure stability analysis.
基于梁杆结构的稳定性分析提出了结构稳定优化的概念。
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