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单词
Vibration drilling
释义
Vibration drilling
Encyclopedia
理学
钻进方法
释
Vibration drilling
振动钻进
利用能产生周期振动的机械结构(振动器)驱动钻柱振动,通过对钻头施加钻压贯入地层,使得地层介质剪切破坏,实现钻进和取样目的的钻进方法。
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sporadic radio emission
sporadic radio source
sporadic simple group
sporadic solar radio burst
sporadic solar radio emission
sporadic solar X-ray burst
sporadic solar X-ray emission
sporadic solar γ-ray burst
sporadic solar γ-ray emission
sporadic X-ray source
sporadic γ-ray source
sporadin
sporadosiderite
sporangiocarp
sporangiocyst
sporangiole
sporangiophore
sporangiorus
sporangiosorus
sporangiospore
sporangium
spore
spore and pollen
spore mother cell
spore(plant)
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