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钻井取心
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钻井取心
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钻井取心录井技术
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drilling coring
钻井取心
为了掌握地下地质情况,直接获得真实可靠的地下岩层的有关资料,在钻井过程中用取心工具从地下取出大块岩样(岩心)的作业。
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pre-calculation
pre-C*-algebra
precaliber
precamber
precambrian
precambrian flora
precapiliary resistance vessel
precapillaly sphincter
pre-capitalist law of population
precarburization
precast
pre-cast concrete
precast concrete double T slab
precast concrete frame-shear wall(core wall)structure
precast concrete frame structure
precast concrete frame structure with specially shaped columns
precast concrete shear wall structure
precast concrete structure
precast concrete track beam
precast pavement
precast prestressed composite floor slab
precast prestressed hollow floor slab
pre-cataclysmic binary
pre-cataclysmic variable
precategory
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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