在役建筑结构的维修加固改造业是二十一世纪最受欢迎的九大行业之一。
The industry of maintenance, reinforcement and reconstruction for the existing building structure is one of the most popular industries in the nine major industries of twenty-first century.
在役建筑结构的维修加固改造业是二十一世纪最受欢迎的九大行业之一。
The industry of maintenance, reinforcement and reconstruction for the existing building structure is one of the most popular industries in the nine major industries of twenty-first century.
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