“bottom-hole packer”的概念、定义、翻译、参考文献-科学参考

单词	bottom-hole packer
释义	bottom-hole packer [`bäd·ǝm ´hōl ´pak·ǝr] ^{PETROLEUM ENGINEERING} An anchored-in-place seal used to provide liquid-proof packing in the annular space between the outside of the oil- producing tubing and the inside of the drill casing.
随便看	ultrastrip ultrastructure ultraviolet ultraviolet absorber ultraviolet absorber fixative ultraviolet absorption ultraviolet absorption spectrophotometry ultraviolet astronomy ultraviolet-bright star ultraviolet catastrophe ultraviolet densitometry ultraviolet-erasable programmable read-only memory ultraviolet-erasable programmable read-only memory eraser ultraviolet imagery ultraviolet lamp ultraviolet light ultraviolet microscope ultraviolet photoemission spectroscopy ultraviolet photography ultraviolet radiation ultraviolet spectrometer ultraviolet spectrophotometry ultraviolet spectroscopy ultraviolet spectrum ultraviolet stabilizer

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。