According to analysis for structure of testing string, the mathematics model is built up.
根据测试管柱的结构进行分析，建立了相应的数学模型。
The optimal design model of downhole pump depth and rod string assemblage is set up.
建立下泵深度和抽油杆柱组合优化设计模型。
A string may be used to display properties attached to a model element.
一个字符串可以被用来显示附着在模型元素上面的特性。
A string may be used to display properties attached to a model element.
一个字符串可以被用来显示附着在模型元素上面的特性。
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