old concrete pavement repair engineering
old concrete pavement repair engineering
旧混凝土路面修补工程
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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It is not allowed to repair by normal ways when construction defects happened to some old concrete engineering or new-built ones, eg pavement, bridge, tunnel, etc.
有些老混凝土工程或新建混凝土工程出现施工缺陷，客观条件下不允许按常规方法修补，如公路路面、桥梁、隧道等。
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