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lining concrete self-waterproof
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lining concrete self-waterproof
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衬砌混凝土自防水
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lining concrete self-waterproof
衬砌混凝土自防水
通过防水混凝土材料及其科学施工,使衬砌主体结构自身具有一定防水能力的隧道防水措施。是衬砌结构防水的基础,也是隧道防水系统重要的一环。
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