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drilling hydraulics
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drilling hydraulics
Encyclopedia
理学
钻孔冲洗
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drilling hydraulics
钻探水力学
用水力学和钻井液流变学的原理,研究钻孔内钻井液流动状况和规律的学科。用以解决钻孔内的排除岩屑、冷却钻头、水功率利用、优化钻探等实际问题。
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longest remaining service time
longest service time
longevity
longevity area
longevity embroidery
longevity level
longevity research
longevity risk
long exact cohomology sequence
long exact conomology sequence
long exact homology sequence
long exact sequence
long exact sequence in K-theory
long exact sequence in Ktheory
long-exact-sequence-of-a-pair axiom
long exposure
long eye relief eyepiece
long fat network
Longfeng National Forest Park
Longfeng Qu
long fiber reinforcements
longfin snake-eel
long flame coal
long flax spinning
long focal length lens
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