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衬砌的隧洞
meaning in English
lined tunnel
Related Words
钢筋混凝土衬砌隧洞
衬砌
砌入
嵌砌
砌合法
组合衬砌
块状砌层
砌砖体
砖砌井壁
立砌法
衬砌层
衬砌的渠道
衬砌工艺
衬砌拱
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