“水力扩张式封隔器”的概念、定义、翻译、参考文献-科学参考

单词	水力扩张式封隔器
释义	水力扩张式封隔器 Encyclopedia 工学桥塞释 hydraulic expansion packer水力扩张式封隔器通过使胶筒内部压力大于外部压力（即使油管压力大于套管压力）而扩张，封隔油、套管环形空间的封隔器。
随便看	snow limit snow line snowline in China snow load snow lotus snowlotus Snowman crater snowmelt snowmelt agent spreader snowmelt flood snowmelt floods in China snow melt runoff snowmelt runoff snowmelt runoff forecasting snow metamorphism Snow, Moon and Plum the Three Beauties snow mountain Snow Mountain of Xiling Scenic and Historic Area Snow Mountains Hydroelectric Scheme snow pea snow pellet snow permeability Snowpiercer snow-plow model snowplow model

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。