bit bouncing

常见例句

In view of frequently jumping and bouncing of the bit in the drill-string, the impact dynamics model, which is obtained by using elastic stress wave analysis method, is established;
針對空氣鑽井頻繁發生的跳鑽蹩鑽現象，運用彈性動力學中的應力波分析方法，建立了鑽柱沖擊動力學模型，竝對模型進行了分析求解；
lib.swpu.edu.cn

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