1. The method avoids that hole of taking pressure is blocked by used average-velocity tube to measure unpurged one phase fluid in the big pipe.
避免大口径管道采用均速管测量非洁净流体时,取压孔被堵塞问题。

来自互联网

2. The method avoids that hole of taking pressure is blocked by used average-velocity tube to measure unpurged one phase fluid in the big pipe.
避免大口径管道采用均速管测量非洁净流体时,取压孔被堵塞问题。

来自互联网