The pressure gradient, as one of the most important parameters affecting design and operation of gas-lift wells, is the foundation of gas-lift well design.

压力梯度是气举井设计的基本依据，是影响气举井设计和运行的重要参数。

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Aim To resolve the influence of pressure gradient, liquid hold-up and mixture density of the different flow model on the design and operation of gas-lift well in oil recovery.

目的解决深井气举采油过程中不同流动型态的压力梯度、持液率、混合物密度对气举井设计和运行影响的问题。

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Weak consumption during the global upswing was down to low real-wage growth, as well as caution: falling inflation should lift real income and spending.

实际工资的缓慢增长以及小心谨慎构成了他们在全球繁荣期间消费依旧疲软的重要原因。如今通胀的回落应该可以抬升实际收入跟支出。

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Oh, well I'm hoping you could find a way to lift the end of the show here so... ... So try to find... Three month from now, will the United States be in a recession or not?

噢，还指望你会说点什么,来为这次节目压轴呢。,才试图。,3年之后，美国是否会陷入经济衰退？

斯坦福公开课 - 经济学课程节选

After a depressing African Cup of Nations campaign with Togo, from which he only returned on Wednesday, the debutant would have appreciated the lift as well.

BBC: SPORT | Football | Premiership | Birmingham 0-2 Arsenal

In the early '80s the actress decided to undergo a face lift, so the show's producers had Chancellor get a face lift as well -- it was performed on-screen.

CNN: SHARE THIS

For our money, the winner of the 2012 election won't be the one who makes a stronger argument for egalitarianism over liberty or liberty over egalitarianism, but the candidate who joins the two, persuading voters he is best equipped to lift floors as well as ceilings, ensuring every American has an honest shot in life.

CNN: 2012 winner must unite America on ideals