pressure adjusting valve的用法和样例：
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.
要求使用仪表风的每个仪表应配备单独的混合空气过滤器和泄压型调压阀及相邻的单独切断阀。 - We strongly recommend installing a safety relief valve in addition to the unloader to add more protection from dead-heading.
我们强烈建议，除了减压器外，再安装安全卸压阀来防止跑空。
