Install a shutoff valve in the cold water inlet line. 在冷水進(jìn)水管處安裝一個(gè)關(guān)閉閥。
The Pacific tilting disc check valve uses gravity to rapidly close the disc upon reversal of flow. 美國太平洋翻轉式閥瓣止回閥在出現逆流時(shí)利用重力迅速關(guān)閉閥瓣。
Several different valve needles were designed and manufactured for a superfluid helium system. 摘要針對某超流氦系統所需要的低溫節流閥，設計并加工了幾種不同結構形式和尺寸的閥針。
A throttle valve control device is composed of a stator core with a solenoid and a rotor carrying a throttle valve. 一種節流閥控制裝置，包括一個(gè)帶螺線(xiàn)管的定子鐵芯和一個(gè)帶節流閥的轉子。
