air-hydraulic spring 气体液压弹簧

Pneumo-hydraulic spring 液力空气弹簧

hydraulic spring rigidity 液压弹簧刚度

hydraulic spring stiffness 液压弹簧刚度

hydraulic spring eye machine 液压卷耳机

hydraulic spring operating mechanism 弹簧贮能液压操作机构

hydraulic spring stored energy mechanism 弹簧储能液压机构

gas-hydraulic type spring 气体液压式弹簧

hydraulic-pneumatic spring system 气动液压弹簧系统