• 系列65弹簧垫圈散热器供水适用需要所有加热冷却设备上。

    Series 65 spring packless radiator supply valves are used on all heating and cooling equipment where manual control is desired.

    youdao

  • 系列65弹簧垫圈散热器供水适用需要所有加热冷却设备上。

    Series 65 spring packless radiator supply valves are used on all heating and cooling equipment where manual control is desired.

    youdao

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