• 系统分析了达县—卧龙湿气爆裂原因道内硫化铁粉尘产生原因及其危害

    The fracture of Daxian-Wolonghe River Wet Gas Pipeline and the hazards of ferric sulfide powder produced in dry gas pipeline are analyzed in detail.

    youdao

  • 系统分析了达县—卧龙湿气爆裂原因道内硫化铁粉尘产生原因及其危害

    The fracture of Daxian-Wolonghe River Wet Gas Pipeline and the hazards of ferric sulfide powder produced in dry gas pipeline are analyzed in detail.

    youdao

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