短語詞組短語impact vibration damper 沖擊振動減振器impact t damper 緩沖器impact damper system 沖擊消振系統(tǒng)impact damper systems 沖擊減振系統(tǒng)Impact Damper Design 緩沖結(jié)搆設(shè)計vertical impact damper 垂直沖擊消振impact sound transmission vibration damper 撞擊振動減振器 返回 impact damper