hydropneumatic

adj.

液压气动的水和空气（或气体）协同作用的；

A Hydropneumatic Seeder for Primed Seed
Hydropneumatic accumulator with flexible porous filler
Semi-active hydropneumatic spring and damper system
Control of a hydropneumatic active suspension based on a non-linear quarter-car model
Application of model order reduction to a hydropneumatic vehicle suspension
Development and field evaluation of a hydropneumatic planterprimed vegetable seeds
Stiffness Analysis of Controllable Stiffness Hydropneumatic Springs for Vehicles
Development and Field Evaluation of a Hydropneumatic Planter for Primed Vegetable Seeds
Fuel Economy and Operating Characteristics of a Hydropneumatic Energy Storage Automobile
Simulation and Test Study on the Nonlinear Control for Vehicle Body Height with Hydropneumatic Active Suspension