单词	non-pressure drainage
释义	non-pressure drainage 无压排水
随便看	ratio of pile-soil modulus ratio of Pinus to Artemisia ratio of pit-depth to pit-diameter ratio of planned parenthood ratio of plasticizer to polymer ratio of plate thickness difference ratio of points won and lost Ratio of pollen and ovule Ratio of polyphenol to sugar ratio of port time to sea time Ratio of positive lightning ratio of potassium to chlorine ratio of precision ratio of presence ratio of pressure rise ratio of price differentials ratio of price-earnings ratio of principal dimensions ratio of principal stresses ratio of production decline ratio of productive tiller ratio of profile Ratio of profit to capital ratio of profit to cost ratio of profit to net sales