“Roy Welensky”的概念、定义、翻译、参考文献-科学参考

单词	Roy Welensky
释义	Roy Welensky Encyclopedia 历史学津巴布韦历史释 Roy Welensky韦伦斯基，R. （1907-01-20～1991-12-05）北罗得西亚工会主义者和政治家，罗得西亚和尼亚萨兰联邦总理（1956～1963）。
随便看	drilling in surface mining drilling intelligence drilling level drilling machine drilling machine-hour drilling machine safety drilling method drilling mud additive drilling mud logging drilling mud logging parameters drilling non-production time drilling overflow drilling parameter drilling parameters logging drilling pressure maintaining sampling drilling process drilling production platform（DPP） Drilling & Production Technology drilling production time drilling quotas drilling regulations drilling rig drilling rig instruments and gauges drilling riser drilling riser components

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