英语词汇“gravel pack”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	gravel pack
释义	gravel pack ˈɡrævəlpæk 短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句砾石过滤层 The flow rate, perforation radius and shot density are the key parameters influencing the pressure drop across gravel pack. 分析结果还表明，油井产量以及射孔孔径和孔密度是影响砾石层压降的重要因素。 cnki
随便看	threatest threat estimate threat estimation threat evaluating threat evaluating and sequencing threat evaluation threat evaluation and order Threat Evaluation Display threat evaluation model threat exponent threat factor threat factors threat fan threat fatigue threatfire threat frequency threatful threatfully threat function threat functional threat game threat hazard analysis threat identification threat identification confidence threat identify