... 钻杆转速：DPR 钻杆柱弯曲;钻杆柱弯曲所引起的井眼偏斜：drill swaying 钻杆旋接夹盘：make-up chuck ...
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With the increase in rotary speed, the motion state of drill string will be successively transformed from regular swaying into irregular swaying and regular whirling.
随转速的增加，钻柱的横向运动逐渐由规则摆动向无规则摆动和规则反向涡动转化。
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