短語(yǔ)詞組短語(yǔ)dry friction damped system 乾摩擦振動(dòng)系統(tǒng)dry friction damping system 乾摩擦隔振系統(tǒng)dry friction damped isolation system 乾摩擦隔振系統(tǒng) 返回 dry friction system