英汉对照参考资料(12)
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引用本文：林剑秋.英汉对照参考资料(12)[J].钻探工程,1985,(1):62.
. [J]. Drilling Engineering, 1985,(1):62.
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林剑秋
中文摘要:The Future of Drilling EquipmentBut considering the 80 plus year history ofrotary oil well drilling, I confess to be just asmystified as he that so little has beenaccomplished in streamlining and improvingthe system.Why are rotary rigs, dnilling 5000 ft a
 
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