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  1. Copilot 答案
    american flow control b50b hydrant 3d model stl 3dm 2
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    The anatomy of a fire hydrant includes several key components:
    • Barrel: The main body of the hydrant, which can be a wet or dry barrel. Wet barrels are filled with water, while dry barrels remain empty until activated.
    • Operating Nut: This is the mechanism used to open and close the hydrant, allowing water to flow.
    • Nozzles: Fire hydrants typically have multiple nozzles for connecting hoses, which can vary in size and type.
    • Valve: Located at the base, it controls the flow of water and is usually equipped with rubber boots to prevent freezing in cold climates.
    • Cap: Covers the nozzles when not in use, ensuring they remain clean and free from debris.
      These components work together to provide firefighters with quick access to a water supply during emergencies.
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