• This paper expounds some principles that should be followed in the model selection of the outdoor fire cock, and introduces the erection design of the outdoor fire cock.

    阐述室外消火栓选型遵循原则介绍了室外消火栓安装设计

    youdao

  • This paper expounds some principles that should be followed in the model selection of the outdoor fire cock, and introduces the erection design of the outdoor fire cock.

    阐述室外消火栓选型遵循原则介绍了室外消火栓安装设计

    youdao

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