high speed railway steel structure
... 钢结构Steel structure 高铁钢结构High speed railway steel structure 光伏大棚钢结构Solar greenhouse steel structure ...
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high speed railway steel structure
高速铁路钢结构
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Steel rail is an important component of track structure, and is also the primary infrastructure of high speed railway.
钢轨是轨道结构的重要部件，是高速铁路重要的基础设施。
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