The NIBCO HPR butterfly valve can be provided with heavy-duty weatherproof operator and indicator.

美国尼伯科hpr蝶阀可配备重型、抗恶劣气候的操作装置和指示装置。

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The NIBCO HPR butterfly valve can be provided with heavy-duty weatherproof operator and indicator.

美国尼伯科hpr蝶阀可配备重型、抗恶劣气候的操作装置和指示装置。

youdao