短語(yǔ)詞組短語(yǔ)oil -pneumatic shock absorber landing gear 汽油減震式起落架nonlinear oil -damping shock absorber 非線性油阻尼減振器a nonlinear oil -damping shock absorber 非線性油阻尼減振器air -oil coupling shock absorber 氣液耦郃減振器Steel spring -assisted oil shock absorber 彈簧鋼板輔助油壓減震 返回 oil shock