structure reinforcement and reconstruction
structure reinforcement and reconstruction
结构加固与改造
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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。
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