1、Hydropneumatic systems use a combination of liquid and gas to transmit power and perform mechanical work.

液气动系统利用液体和气体的组合来传输动力并完成机械工作。

2、The hydropneumatic suspension on my car provides a smoother ride by adjusting the suspension stiffness based on road conditions.

我的汽车上的液气悬挂通过根据道路条件调整悬挂硬度，提供更平稳的行驶体验。