gēng xīn gǎi zào
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Chinese dictionary
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  • transformation and renovation of; make replacements and technical innovations; technical renovation and transformation; replacement and technical transformation

    • guǎn dào gēng xīn gǎi zào gōng chéng shì kùn rǎo chéng shì jǐ shuǐ guǎn dào de yī dà nán tí

      管道更新改造工程困扰城市给水管道难题

      It is a difficulty to renovate the corrupted water pipeline.