• 用于石油天然气及城市燃气、热、排水输送管道的补防腐

    Used for protecting the natural gas and petroleum pipe from corrosion.

    youdao

  • 用于石油天然气及城市燃气、排水输送管道的补防腐。

    The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.

    youdao

  • 用于石油天然气及城市燃气、排水输送管道的补防腐。

    The technology is studied on steel pipeline surface by hot spraying with oxygen-natural gas.

    youdao

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