static pressure gradient

例句：

1. 1.The gradient of static pressure can affect the stability of the fluid flow.
   静态压力梯度会影响流体流动的稳定性。
2. 2. The gradient of static pressure is an important factor in determining the efficiency of a pump.
   静态压力梯度是决定泵效率的一个重要因素。
3. 3. The gradient of static pressure is measured by using a pressure gauge.
   通过使用压力计来测量静态压力梯度。