existing structure meaning in Chinese

现行职制
现有建筑物
已有结构

Guide to assessment of concrete strength in existing structures
现存结构中混凝土强度的评定指南
The existing structure of government revenue is less than healthy
现时政府的收入结构，并不健康。
Time - dependent reliability of existing structure in acid gases
酸性气体作用下服役结构的时变可靠度
An effect on the resistance of existing structures for proof loads
验证荷载对服役结构抗力的影响分析

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