pilot operated safety relief valve的意思|示意
美 / /
英 / /
先导操作安全安全阀
pilot operated safety relief valve的网络常见释义
带导阀的安全泄压阀 ... 弹簧式安全泄压阀 spring safety-relief valve 带导阀的安全泄压阀 pilot operated safety relief valve 铸铁阀体的安全泄压阀 cast iron bodied safety relief valve ...