Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/0fba2749555437b74f5e332b00b66e41.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 suction stop valve是什么意思，suction stop valve的翻译，suction stop valve音标、读音、用法和例句_94生活常识网有道词典
Pump stop, they would first close the discharge stop valve, and switch to a complete halt until pump suction stop valve was closed. 泵停车时，应先关闭排出停止阀，并待泵完全停转后关闭吸入停止阀。