“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	normalization of a system normalization of a variety normalization of wave function normalization principle normalization theorem normalization theory normalized normalized Abelian differential normalized additive character normalized algebra normalized basis normalized chain complex normalized complex normalized condition normalized contrast normalized coordinate normalized cut normalized difference normalized difference snow index normalized difference vegetation index normalized distribution normalized eigenfunction normalized eigenvector normalized Eisenstein series normalized equation

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