• The comprehensive detection method and the classification evaluation method for external anticorrosion coating of municipal buried gas pipeline are discussed.

    论述了城镇埋地燃气管道防腐层的综合检测方法分级评价方法。

    youdao

  • The comprehensive detection method and the classification evaluation method for external anticorrosion coating of municipal buried gas pipeline are discussed.

    论述了城镇埋地燃气管道防腐层的综合检测方法分级评价方法。

    youdao

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