“卡瓦式封隔器”的概念、定义、翻译、参考文献-科学参考

单词	卡瓦式封隔器
释义	卡瓦式封隔器 Encyclopedia 工学桥塞释 slip-type packer卡瓦式封隔器利用卡瓦固定，防止管柱轴向移动，通过下放一定管柱重量或管柱内加液压使胶筒直径变大，封隔油、套环形空间的封隔器。
随便看	semi-Dedekind lattice semi-definite semi definite complementarity problem semi-definite complementarity problem semi-definite form semi-definite inner product semi-definite kernel semi-definite matrix semi-definiteness semi-definite operator semi definite programming semi-definite programming semidefinite programming semi-definite programming problem semi definite quadratic form semi-definite quadratic form semidefinite time semi-degree semi-dental semi-derivative semi-desert semi-destructive techniques of structures Semi-detached binary semi-detached binary semidetached binary

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