基本解釋真空安全閥英漢例句雙語例句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。www.e-gtm.com.cnpressure vacuum relief valve更多例句詞組短語短語Vacuum Pressure Relief Valve 真空壓力釋放閥pressure vacuum relief valve更多詞組專業(yè)釋義交通運輸工程真空安全閥