barotropic gas的用法和樣例：
例句
- In actual practice, a constant-volume gas thermometer is more convenient to use than a constantpressure one.
在實踐中，用恆體積的氣體溫度計比用恆壓氣體溫度計更方便。 - The design principles and the optimum range of the new aerodynamic foil journal bearing with elastic support and self-acting gas bearing cryogenic turboexpander were obtained.
歸納總結了彈性支承箔片動壓氣體徑向軸承的性能特點和最優設計原則，並提出了全動壓透平膨脹機的設計準則。
