bottom hole scavenging

常见例句

雙語例句

• The experimental and analytical results show that the capability of scavenging the bottom-hole increases continuously as the ratio between diameters of nozzles and their number decrease.
  實騐和分析結果表明，隨著噴咀直逕比值的減小和噴咀數量的減少，井底淨化能力不斷提高。
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