the minimum pressure grad

• 最小压力梯度

the minimum pressure grad的用法和样例：

例句

1. The minimum pressure required to liquefy a gas at its critical temperature is its critical pressure.
   使气体临界温度时液化所需要的最小压力就是该气体的临界压力。
2. The location of the tailrace surge tank is one of the main factors effecting minimum pressure in the draft tube.
   摘要尾水调压室位置是影响尾水管最小压力值的主要因素之一。