“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	systematic sample systematic sampling systematic sampling method systematic sampling with unequal probability Systematic searching systematic separation method with hydrogen sulfide Systematics of Rodentia systematic statistic Systematic Studies on the Music of Pu Opera systematic theology systematic velocity systematization systematization of laws systematized administrative principle Systematized Collection of Litera- ture in Jin Dynasty Systematized Collection of Literature in Jin Dynasty systematized theoretical framework of public administration systematizied design systematology system audit system availability system average interruption duration system average interruption frequency system balance system bath model

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