design of withdrawal process 回避程序设置
On the basis of perfecting gas-lift formula method design, this paper presents the design program worked out with PC-1500 computer for gas-lift water withdrawal technology in gas production.
本文在完善气举公式法设计的基础上，提出了用PC-1500计算机编制的气举排水采气工艺的设计程序。
A new method to design source-withdrawal weighting transducer is presented, which avoids the complexity when using traditional design methods.
提出了极性抽指加权叉指换能器设计的新方法，克服了传统设计方法的繁杂性。
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