“well core”的概念、定义、翻译、参考文献-科学参考

单词	well core
释义	well core [`wel ´kȯr] ^ENGINEERING A sample of rock penetrated in a well or other borehole obtained by use of a hollow bit that cuts a circular channel around a central column or core.
随便看	primary cosmic rays primary crater primary creep primary crusher primary culture primary cyclone primary decomposition primary detector primary dip primary drilling primary electron primary emission primary energy primary excavation primary explosive primary extinction primary fabric primary fault primary fission products primary flat joint primary flow primary focus primary frequency primary-frequency standard primary front

科学参考收录了103327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。