岩芯钻机 core drill ; core drill machine ; core drilling machine ; drilling machine
岩芯钻管 core barrel
锥形塔式岩芯钻头 tapered step-core bit
海底取岩芯钻机 submarine coring drilling rig
岩芯钻探 core drilling
岩芯钻进 core drilling
钻取岩芯 core drilling ; coring
系列岩芯钻机 YL
双岩芯筒钻头 [油气] double-core barrel drill
钻孔岩芯测井 core logging
研究人员在从阿曼海湾的深海沉积物中钻取的岩芯中发现了同样能说明问题的旱灾的迹象。
Researchers found the same telltale signature of drought in a deep-sea sediment core drilled from the Gulf of Oman.
取芯钻头不同的唇面形状、胎体配方可适应各种复杂岩层的取芯，所钻取的岩芯将为地质和工程研究提供可靠的数据。
Different lip shape and matrix formula of coring bit apply to various coring work in complex rock. The core can provide reliable data to geological and engineering research.
单动双层岩芯管钻具结构简单、操作方便、同轴度好、适用寿命长，能有效地提高岩、矿芯的完整度。
The swivel-tube barrel can effectively increase core recovery rato. suitable for drilling in formations in which oblique hole comes easy. It is effective to assure hole quality.
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