pressure adjusting valve的用法和樣例：
例句
- Each instrument requiring an air supply shall be supplied with an individual combination air filter and relief type reducing regulator and an adjacent individual shutoff valve.
要求使用儀錶風的每個儀錶應配備單獨的混合空氣過濾器和泄壓型調壓閥及相鄰的單獨切斷閥。 - We strongly recommend installing a safety relief valve in addition to the unloader to add more protection from dead-heading.
我們強烈建議，除了減壓器外，再安裝安全卸壓閥來防止跑空。
