• The utility model relates to an ejection bell cover, and belongs to the technical field of gas-liquid contact member of tower equipment.

    实用新型涉及一种引射泡属于塔设备气液接触元件技术领 域

    youdao

  • The utility model relates to an ejection bell cover, and belongs to the technical field of gas-liquid contact member of tower equipment.

    实用新型涉及一种引射泡属于塔设备气液接触元件技术领 域

    youdao

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