基本解釋終端沉速詞組短語短語unhindered terminal settling velocity 自由終沉速度Velocity terminal settling 臨界沈降速度terminal velocity of hindered settling 干擾沉降末速terminal velocity of particle settling 沉降末速terminal settling velocity更多詞組專業(yè)釋義土木建筑工程臨界沉降速度