Check initial pressure to see if full intended line pressure is applied at the valve inlet.
Check initial pressure to see if full intended line pressure is applied at the valve inlet.
检查初始压力，看看是否全部预设管道压力是否应用在阀门进口处。
Check initial pressure to see if full intended line pressure is applied at the valve inlet.
检查初始压力，看看是否全部预设管道压力是否应用在阀门进口处。