“support-type packer”的概念、定义、翻译、参考文献-科学参考

单词	support-type packer
释义	support-type packer Encyclopedia 工学桥塞释 support-type packer支撑式封隔器以井底（或卡瓦式封隔器和支撑卡瓦）为支点，施加一定管柱重量来坐封的封隔器。
随便看	behavioral therapy behavioral therapy model behavioral thermoregulation behavior and emotion disorders in children and adolescent behavior and emotion disorders in children and adolescents behavior assessment behavior assessment system for children behavior at infinity behavior at the boundary behavior diagram behavior disorders in childhood behavior dymanics model behavior emergence behavior homology behaviorism behaviorism education behaviorism paradigm behavioristic learning theory behavioristic personality theory behavioristic psychology behaviorist revolution behaviorists' view of criminaltiy behaviorist theory behavior level effect behavior mechanism

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