- 钻 drill; auger
- 铤 quickly
- 刚度 rigidity; stiffness; inflexi ...
- 钻铤 bottom collar; dc: drill collar; drill collar porta-mechao; drillcollar
- 刚度 [物理学] rigidity; stiffness; inflexibility; severity
- 方钻铤 square drill collar
- 钻铤柱 dcs; dirll collar stem
- 侧凹钻铤 indented drill collar
- 测量用钻铤 surveying collar
- 串联方钻铤 tandem squares
- 带槽钻铤 fluted drill collar
- 导向钻铤 lead collar
- 短无磁钻铤 smdc short magnetic drill collar
- 非磁性钻铤 nonmagnetic drill collar
- 光钻铤组合 slick assembly
- 加重钻铤 heavy collar
- 六方钻铤 hexagonal drill collar
- 螺旋钻铤 spiral drill collar;spiral-grooved drill collar
- 蒙乃尔钻铤 monel drill collar
- 偏心钻铤 decentralized drill collar
- 偏重钻铤 eccentric-weight drill collar; indent drill collar; unbalanced drill collar
- 台肩钻铤 shouldered drill collar
- 未稳定钻铤 unstabilized collar
- 无磁钻铤 monel drill collar porta-mechao de desiman; nmdc nonmagnetic drill collar; non-magnetic drill collar
- 啄木鸟钻铤 woodpecker drill collar
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Last modified time:Tue, 19 Aug 2025 00:29:56 GMT