positive pressure flow field

例句：

1. 1. Thepositive pressure flow field is crucial for the operation of the pump.
   正压流场对于泵的运行至关重要。
2. 2. The positive pressure flow field helps to reduce the wear and tear on the machine.
   正压流场有助于减少机器的磨损。
3. 3. The positive pressure flow field can improve the efficiency of the process.
   正压流场可以提高工艺的效率。