• The transformation on sealing components of glass pipeline in import sulphuric acid refine device from abroad and sealing structures of the imported high pressure plunger pump is introduced.

    介绍了引进硫酸精制装置玻璃管路密封件以及高压柱塞密封结构改造

    youdao

  • The transformation on sealing components of glass pipeline in import sulphuric acid refine device from abroad and sealing structures of the imported high pressure plunger pump is introduced.

    介绍了引进硫酸精制装置玻璃管路密封件以及高压柱塞密封结构改造

    youdao

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