常見(jiàn)例句

雙語(yǔ)例句

• The selection of the clearance of a subsurface pump and the analysis of the leakage between plunger and barrel are of great importance by artificial lifting.
  抽油泵泵隙的選擇和漏失量分析是機(jī)械採(cǎi)油中的重要問(wèn)題。
返回 subsurface leakage