hydropneumaticWiktionary 原文构词拆分hydro-前缀water · liquid+pneumatic词根/词干词源说明From hydro- + pneumatic.释义（英文）形容词 AdjectiveOperated by both fluid and air powerBeing, or pertaining to, a type of automotive suspension system based on a nitrogen springing medium.词族派生词（1）hydropneumatically