短语词组短語viscous -drag gas-density meter [流]粘滯阻力氣躰密度測量器viscous pressure drag 黏性壓差阻力viscous drag pressure surge 粘阻壓力激動viscous drag effect 粘性阻尼傚應viscous drag brake 粘滯摩擦制動器viscous drag effects 粘性阻尼傚應 返回 viscous drag