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本文以我国建筑钢结构行业为研究对象。
This thesis takes the architectural steel structure industry as its object of study.
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建筑钢结构是建筑行业的一个分支。
Building steel structure is a branch of building industry.
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建筑钢结构是建筑行业的一个分支。
Building steel structure is a branch of building industry.
youdao