drillstem 中文意思是什麼
drillstem
解釋
鉆桿-
An example of friction calculation shows that the calculation results provide a basis for the selection of drilling equipment, optimization of drillstem parameters and wellbore structure, and the selection of tripping modes of the drill string
實例計算分析表明，摩擦阻力計算結果可為鉆井設備選型、優化管柱參數和井身結構以及選擇下入方式提供可靠依據。
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