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明槽砌石旋
meaning in English
lining of shaft mouth in the open-pit area
Related Words
砌体
砌入
衬砌
嵌砌
砌合法
块状砌层
边坡砌护
夯土衬砌
乱砌合
石砌护坡
明槽流
明槽路段
明槽式水轮机
明槽式装置
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