pressure vacuum relief valve
常见例句
- Relief angle valve. Pressure or vacuum can be specified.
安全角閥。可指定壓力或真空度。 - Relief angle valve. Pressure or vacuum can be specified.
活性炭罐蒸氣排泄閥是由真空控制的。 - The hex nipple or connector housing design allows for ease in installation either as a check valve, vacuum breaker or low-pressure relief valve.
螺紋接套或封裝式連接使得閥門無論用作止廻閥、真空破壞器，還是用作低壓泄壓閥都更爲方便。
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