After installation of valve, support line; a sagging pipe line can distort valve and cause failure.
After installation of valve, support line; a sagging pipe line can distort valve and cause failure.
安装阀门后，要支撑住管道：下垂的管道会使阀门产生变形而导致失败。
After installation of valve, support line; a sagging pipe line can distort valve and cause failure.
安装阀门后，要支撑住管道：下垂的管道会使阀门产生变形而导致失败。