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单词
steel beam for emergency repair of railway
释义
steel beam for emergency repair of railway
Encyclopedia
工学
土木工程重大灾害应急抢修器材
释
steel beam for emergency repair of railway
铁路应急抢修钢梁
用于抢修遭受破坏的铁路桥梁上部结构的拆装式制式钢梁。
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