• 本文管网叠压供水设备中的倒流防止器气压应用情况进行分析

    This paper analyzed the application case of the components such as anti-backflow equipment or air-pressure tank that using in the pipe network add-pressure water supply equipment.

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  • 采用水泥承转水泥技术防止挤水泥浆倒流多余的水泥浆工具的上部循环地面

    Using cement retainer squeezing technology can prevent the cement backward flow, and CAM let the residual cement through the upper party to recycle to the ground.

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  • 首先作为一个自动逆止防止蒸汽蒸汽加热倒流锅炉里。

    First: to act as an automatic non-return valve by preventing a backflow of steam from the main steam header to the boiler.

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  • 隔断安全性介质通过防止水头损失有效防止倒流污染

    The invention has the advantages of high partition safety, small loss for a tap when a medium passes through the preventer and effective prevention on the pollution caused by the backflow.

    youdao

  • 隔断安全性介质通过防止水头损失有效防止倒流污染

    The invention has the advantages of high partition safety, small loss for a tap when a medium passes through the preventer and effective prevention on the pollution caused by the backflow.

    youdao

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